/**
 * TecNerds - Main Stylesheet
 * Contem variaveis, reset, tipografia, header, footer, cards e utilitarios
 * Dark/Light mode via CSS custom properties
 */

/* ============================================
   CUSTOM PROPERTIES - DARK MODE (default)
   ============================================ */
:root {
    /* Backgrounds */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a2e;
    --color-bg-elevated: #1e1e30;

    /* Accents */
    --color-accent: #00e054;
    --color-accent-hover: #00cc4a;
    --color-accent-secondary: #00c6ff;
    --color-accent-tertiary: #8b5cf6;
    --color-accent-quaternary: #f59e0b;

    /* Text */
    --color-text: #f4f4f5;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;

    /* Borders & Shadows */
    --color-border: #27272a;
    --color-border-light: #3f3f46;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.4);

    /* Card specific - dark */
    --card-bg: rgba(18,18,26,0.8);
    --card-bg-hover: rgba(30,30,48,0.9);
    --card-backdrop: blur(12px);
    --card-border: rgba(255,255,255,0.06);
    --card-border-hover: rgba(0,224,84,0.2);

    /* Image brightness in dark */
    --image-brightness: 0.92;

    /* Selection */
    --selection-bg: rgba(0,224,84,0.3);

    /* Typography */
    --font-heading: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index layers */
    --z-header: 100;
    --z-overlay: 200;
    --z-modal: 300;
    --z-toast: 400;

    /* Layout */
    --max-width: 1280px;
    --content-width: 720px;
    --sidebar-width: 340px;
}

/* ============================================
   LIGHT MODE
   ============================================ */
[data-theme="light"] {
    --color-bg-primary: #fafafa;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f4f4f5;
    --color-bg-elevated: #ffffff;

    --color-accent: #059669;
    --color-accent-hover: #047857;
    --color-accent-secondary: #0284c7;
    --color-accent-tertiary: #7c3aed;
    --color-accent-quaternary: #d97706;

    --color-text: #18181b;
    --color-text-secondary: #52525b;
    --color-text-tertiary: #a1a1aa;

    --color-border: #e4e4e7;
    --color-border-light: #d4d4d8;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.08);

    --card-bg: rgba(255,255,255,0.95);
    --card-bg-hover: #ffffff;
    --card-backdrop: none;
    --card-border: rgba(0,0,0,0.08);
    --card-border-hover: rgba(5,150,105,0.3);

    --image-brightness: 1;
    --selection-bg: rgba(5,150,105,0.2);
}

/* ============================================
   GLOBAL RESET & BASE
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Selection */
::selection {
    background: var(--selection-bg);
    color: var(--color-text);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
    letter-spacing: -0.3px;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

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

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
}

/* ============================================
   SITE HEADER
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    transition: background-color var(--transition-base), border-color var(--transition-base);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.site-branding {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.site-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    color: var(--color-accent);
    text-decoration: none;
    letter-spacing: -0.5px;
    white-space: nowrap;
}

.site-logo span {
    color: var(--color-text);
    font-weight: 500;
}

.site-logo:hover {
    color: var(--color-accent-hover);
}

/* Navegacao Desktop */
.main-navigation {
    display: flex;
    align-items: center;
}

.primary-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xs);
}

.primary-menu a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
}

.primary-menu a:hover,
.primary-menu .current-menu-item > a {
    color: var(--color-text);
    background: var(--color-border);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-shrink: 0;
}

.header-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.header-action-btn:hover {
    color: var(--color-text);
    background: var(--color-border);
}

/* Theme Toggle Icons */
.theme-toggle-btn .theme-icon-light { display: none; }
.theme-toggle-btn .theme-icon-dark  { display: flex; }
[data-theme="light"] .theme-toggle-btn .theme-icon-light { display: flex; }
[data-theme="light"] .theme-toggle-btn .theme-icon-dark  { display: none; }
.theme-toggle-btn svg { transition: transform 0.5s ease; }
.theme-toggle-btn:active svg { transform: rotate(360deg); }

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
}

.mobile-menu.is-open { display: block; }

.mobile-primary-menu {
    list-style: none;
}

.mobile-primary-menu a {
    display: block;
    padding: 12px var(--space-md);
    color: var(--color-text);
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.mobile-primary-menu a:hover {
    background: var(--color-border);
}

/* ============================================
   SEARCH OVERLAY
   ============================================ */
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background: rgba(10,10,15,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 120px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.search-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.search-overlay-inner {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--space-lg);
    position: relative;
}

.search-overlay-close {
    position: absolute;
    top: -60px;
    right: var(--space-lg);
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
}

.search-overlay-close:hover {
    background: var(--color-border);
}

/* ============================================
   SEARCH FORM
   ============================================ */
.search-form {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
    background: var(--color-bg-secondary);
}

.search-form:focus-within {
    border-color: var(--color-accent);
}

.search-form-label {
    flex: 1;
}

.search-form-input {
    width: 100%;
    padding: 14px var(--space-md);
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 16px;
    font-family: var(--font-body);
    outline: none;
}

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

.search-form-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px var(--space-md);
    border: none;
    background: var(--color-accent);
    color: #0a0a0f;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.search-form-submit:hover {
    background: var(--color-accent-hover);
}

/* ============================================
   SITE MAIN
   ============================================ */
.site-main {
    min-height: 60vh;
    padding: var(--space-xl) 0;
}

.site-content {
    padding-top: 0;
}

/* ============================================
   HOMEPAGE LAYOUT
   ============================================ */
.home-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-xl);
    align-items: start;
}

@media (max-width: 1024px) {
    .home-layout {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   SECTION TITLES
   ============================================ */
.section-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-title svg {
    color: var(--color-accent-quaternary);
}

/* ============================================
   POSTS GRID
   ============================================ */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   POST CARD (STANDARD)
   ============================================ */
.post-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    backdrop-filter: var(--card-backdrop);
    -webkit-backdrop-filter: var(--card-backdrop);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--card-border-hover);
    background: var(--card-bg-hover);
}

/* Card Thumbnail */
.post-card-thumbnail {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.post-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, filter var(--transition-base);
    filter: brightness(var(--image-brightness));
}

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

/* Card Overlay */
.post-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,15,0.8) 0%, transparent 50%);
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.post-card:hover .post-card-overlay {
    opacity: 0.3;
}

/* Card Placeholder (sem thumbnail) */
.post-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-border));
}

.post-card-placeholder span {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 18px;
    color: var(--color-text-tertiary);
    opacity: 0.5;
}

/* Category Badge */
.category-badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--color-accent);
    color: #0a0a0f;
    border-radius: var(--radius-full);
    white-space: nowrap;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

[data-theme="light"] .category-badge {
    color: #ffffff;
}

.category-badge:hover {
    opacity: 0.85;
    color: #0a0a0f;
}

[data-theme="light"] .category-badge:hover {
    color: #ffffff;
}

/* Category badge position in card */
.post-card-category {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    z-index: 2;
}

/* Card Body */
.post-card-body {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
}

/* Card Title */
.post-card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-title a {
    color: var(--color-text);
}

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

/* Card Excerpt */
.post-card-excerpt {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

/* Card Meta */
.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    flex-wrap: wrap;
}

.post-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-avatar {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
}

.post-card-reading-time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    margin-top: var(--space-sm);
}

.post-card-reading-time svg {
    flex-shrink: 0;
}

/* ============================================
   FEATURED CARD (content-card-featured)
   ============================================ */
.post-card-featured {
    grid-column: 1 / -1;
    border: 1px solid var(--card-border);
}

.post-card-featured .post-card-thumbnail {
    aspect-ratio: 21 / 9;
    min-height: 320px;
}

.post-card-featured .post-card-overlay {
    background: linear-gradient(to top, rgba(10,10,15,0.95) 0%, rgba(10,10,15,0.2) 60%, transparent 100%);
    opacity: 1;
}

.post-card-content-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2xl) var(--space-xl) var(--space-xl);
    z-index: 2;
}

.post-card-content-overlay .post-card-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: var(--space-sm);
    -webkit-line-clamp: 3;
}

.post-card-content-overlay .post-card-excerpt {
    font-size: 1rem;
    max-width: 700px;
    margin-bottom: var(--space-md);
}

.post-card-content-overlay .post-card-meta {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.post-card-content-overlay .post-card-separator {
    color: var(--color-text-tertiary);
}

@media (max-width: 600px) {
    .post-card-featured .post-card-thumbnail {
        aspect-ratio: 16/9;
        min-height: 240px;
    }
    .post-card-content-overlay {
        padding: var(--space-lg) var(--space-md) var(--space-md);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    margin-bottom: var(--space-2xl);
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-md);
    min-height: 420px;
}

.hero-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.hero-card-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: brightness(var(--image-brightness));
}

.hero-card:hover .hero-card-image {
    transform: scale(1.03);
}

.hero-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,15,0.9) 0%, rgba(10,10,15,0.2) 60%, transparent 100%);
    z-index: 1;
}

.hero-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-xl);
    z-index: 2;
}

.hero-card-main .hero-card-title {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    margin: var(--space-sm) 0;
    line-height: 1.2;
    color: #ffffff;
}

.hero-card-secondary .hero-card-title {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 700;
    margin: var(--space-sm) 0;
    line-height: 1.3;
    color: #ffffff;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-card-excerpt {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-width: 600px;
}

.hero-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    flex-wrap: wrap;
}

.hero-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.hero-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255,255,255,0.3);
}

.hero-card-secondary-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.hero-card-secondary {
    flex: 1;
    min-height: 0;
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    .hero-card-main .hero-card-thumbnail,
    .hero-card-secondary .hero-card-thumbnail {
        aspect-ratio: 16/9;
        min-height: 220px;
    }
    .hero-card-secondary-group {
        gap: var(--space-md);
    }
}

/* ============================================
   TRENDING / EM ALTA
   ============================================ */
.trending-section {
    margin-bottom: var(--space-2xl);
}

.trending-header .section-title {
    margin-bottom: var(--space-lg);
}

.trending-scroll {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-sm);
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.trending-scroll::-webkit-scrollbar {
    height: 4px;
}

.trending-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.trending-scroll::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.trending-card {
    flex: 0 0 280px;
    scroll-snap-align: start;
}

.trending-card-link {
    display: block;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--color-bg-tertiary);
}

.trending-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: brightness(var(--image-brightness));
}

.trending-card:hover .trending-card-image {
    transform: scale(1.08);
}

.trending-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,10,15,0.85), transparent 50%);
    z-index: 1;
}

.trending-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    z-index: 2;
}

.trending-card-title {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    margin-top: var(--space-2xl);
}

.pagination-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    list-style: none;
}

.pagination-item .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.pagination-item .page-numbers:hover {
    color: var(--color-text);
    border-color: var(--color-accent);
}

.pagination-item .page-numbers.current {
    color: #0a0a0f;
    background: var(--color-accent);
    border-color: var(--color-accent);
    font-weight: 600;
}

.pagination-item .page-numbers.dots {
    border: none;
    background: transparent;
}

/* ============================================
   BREADCRUMBS
   ============================================ */
.breadcrumbs {
    padding: var(--space-md) 0;
    font-size: 0.8rem;
}

.breadcrumbs-list {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    list-style: none;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--color-text-tertiary);
}

.breadcrumb-item a {
    color: var(--color-text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--color-accent);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--space-sm);
    color: var(--color-text-tertiary);
}

.breadcrumb-item.current {
    color: var(--color-text);
}

/* ============================================
   NO CONTENT / 404
   ============================================ */
.no-content {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
}

.no-content-inner {
    max-width: 480px;
    margin: 0 auto;
}

.no-content-icon {
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
}

.no-content-404 span {
    font-family: var(--font-heading);
    font-size: 96px;
    font-weight: 800;
    color: var(--color-accent);
    opacity: 0.5;
    line-height: 1;
}

.no-content-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.no-content-description {
    margin-bottom: var(--space-xl);
}

.no-content-links {
    margin-bottom: var(--space-xl);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-body);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: #0a0a0f;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: #0a0a0f;
}

/* ============================================
   POST META (single)
   ============================================ */
.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    flex-wrap: wrap;
}

.post-meta-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.post-meta-author a {
    color: var(--color-text);
    font-weight: 500;
}

.meta-avatar {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
}

.post-meta-separator {
    color: var(--color-text-tertiary);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: sticky;
    top: 88px; /* header height + gap */
}

@media (max-width: 1024px) {
    .sidebar {
        position: static;
    }
}

/* ============================================
   SITE FOOTER
   ============================================ */
.site-footer {
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-3xl);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.footer-widgets {
    padding: var(--space-2xl) 0 var(--space-xl);
}

.footer-widgets-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 1024px) {
    .footer-widgets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .footer-widgets-grid {
        grid-template-columns: 1fr;
    }
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: var(--space-lg) 0;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright p {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin: 0;
}

.footer-copyright strong {
    color: var(--color-accent);
}

.footer-author {
    font-size: 0.75rem !important;
    margin-top: 2px !important;
}

/* Social Menu */
.social-menu {
    display: flex;
    list-style: none;
    gap: var(--space-sm);
}

.social-menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.social-menu a:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 50;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: #0a0a0f;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.scroll-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--color-accent-hover);
    transform: translateY(-4px);
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */
.reading-progress {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 99;
    background: transparent;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
    width: 0%;
    transition: width 0.15s linear;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-muted  { color: var(--color-text-tertiary); }
.mt-0 { margin-top: 0; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.hidden { display: none !important; }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.5s ease forwards;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .main-navigation {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-section {
        margin-top: calc(-1 * var(--space-xl));
    }
    .hero-grid {
        border-radius: 0;
    }
    .hero-card,
    .hero-card-link {
        border-radius: 0;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    .scroll-to-top {
        bottom: var(--space-md);
        right: var(--space-md);
        width: 40px;
        height: 40px;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}