/* ========================================
   ELYD BLOG - OMIO INSPIRED DESIGN v2
   Dark Premium Theme with Animations
   ======================================== */

/* ========================================
   FONTS
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700;800&family=Hanken+Grotesk:wght@300;400;500;600;700&display=swap');

/* ========================================
   CSS VARIABLES
   ======================================== */

:root {
    /* Colors - Dark Theme */
    --color-bg: #0a0a0a;
    --color-bg-secondary: #111113;
    --color-bg-tertiary: #161618;
    --color-bg-card: #18181b;
    --color-bg-hover: #1f1f23;

    /* Primary Accent - Violet */
    --color-primary: #7C02FF;
    --color-primary-light: #9933FF;
    --color-primary-glow: rgba(124, 2, 255, 0.15);
    --color-primary-glow-strong: rgba(124, 2, 255, 0.3);

    /* Secondary Accent - Yellow */
    --color-accent: #FFF033;
    --color-accent-light: #F1FF9D;

    /* Text Colors */
    --color-text: #FFFFFF;
    --color-text-body: #a1a1aa;
    --color-text-muted: #71717a;
    --color-text-secondary: #52525b;

    /* Borders */
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-border-primary: var(--color-primary);

    /* Typography */
    --font-heading: 'Barlow Condensed', sans-serif;
    --font-body: 'Hanken Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Font Weights */
    --fw-light: 300;
    --fw-regular: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    /* Layout */
    --max-width: 1400px;
    --content-width: 800px;
    --sidebar-width: 280px;
    --header-height: 80px;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ========================================
   RESET & BASE
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    cursor: none;
}

body {
    font-family: var(--font-body);
    font-weight: var(--fw-regular);
    color: var(--color-text-body);
    background-color: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
    cursor: none;
}

::selection {
    background-color: var(--color-primary);
    color: var(--color-text);
}

/* ========================================
   CUSTOM CURSOR
   ======================================== */

.custom-cursor {
    pointer-events: none;
    position: fixed;
    z-index: 99999;
    mix-blend-mode: difference;
}

.cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--color-text);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s;
    z-index: 99999;
}

.cursor-outline {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, border-color 0.3s;
    z-index: 99998;
}

.cursor-hover .cursor-dot {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    opacity: 0.5;
}

.cursor-hover .cursor-outline {
    width: 80px;
    height: 80px;
    border-color: var(--color-primary);
    opacity: 0.3;
}

.cursor-hidden .cursor-dot,
.cursor-hidden .cursor-outline {
    opacity: 0;
}

/* Hide cursor on touch devices */
@media (hover: none) and (pointer: coarse) {
    .custom-cursor {
        display: none;
    }
    html, body, a, button {
        cursor: auto;
    }
}

/* ========================================
   READING PROGRESS BAR
   ======================================== */

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform-origin: left;
    transform: scaleX(0);
    z-index: 10001;
    transition: transform 0.1s linear;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 0.95;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: var(--fw-extrabold);
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    margin-top: var(--spacing-2xl);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-body);
}

strong {
    font-weight: var(--fw-semibold);
    color: var(--color-text);
}

/* Links */
a {
    color: var(--color-text);
    text-decoration: none;
    cursor: none;
    transition: all var(--transition-base);
}

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

a.related-link {
    color: var(--color-primary);
    font-weight: var(--fw-medium);
    position: relative;
    display: inline;
    background: linear-gradient(to right, var(--color-primary) 0%, var(--color-primary) 100%);
    background-size: 100% 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
}

a.related-link:hover {
    color: var(--color-accent);
    background-image: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) 100%);
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }
}

/* ========================================
   HEADER - Fixed with backdrop blur
   ======================================== */

body > header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    height: var(--header-height);
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

body > header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

body > header.header-hidden {
    transform: translateY(-100%);
}

body > header nav {
    height: 100%;
    display: flex;
    align-items: center;
}

body > header nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

/* Logo */
.header-left .logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-left .logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: transform var(--transition-base);
}

.header-left .logo:hover .logo-img {
    transform: scale(1.05);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: var(--fw-bold);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Phone Button */
.header-right {
    display: flex;
    align-items: center;
}

.phone-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: 1px solid var(--color-border-hover);
    border-radius: var(--radius-full);
    background: transparent;
    overflow: hidden;
    cursor: none;
    transition: all var(--transition-base);
}

.phone-btn::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -100%;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translateX(-50%);
    transition: all var(--transition-slow);
    z-index: -1;
}

.phone-btn:hover {
    border-color: transparent;
    color: var(--color-text);
}

.phone-btn:hover::before {
    width: 400px;
    height: 400px;
    bottom: -200px;
}

.phone-btn svg {
    flex-shrink: 0;
    transition: transform var(--transition-spring);
}

.phone-btn:hover svg {
    transform: rotate(-30deg) scale(1.1);
}

.phone-number {
    font-size: 0.8125rem;
}

/* Nav links */
body > header nav > .container > ul,
body > header nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

body > header nav a {
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: var(--color-bg);
    overflow: hidden;
}

/* Animated gradient shapes */
.hero::before {
    content: '';
    position: absolute;
    top: calc(var(--parallax-y, 0px) * -1);
    right: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    filter: blur(150px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: calc(var(--parallax-y, 0px) * 0.5);
    left: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    filter: blur(150px);
    opacity: 0.15;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

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

.hero h1 {
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    line-height: 0.9;
}

/* Character animation */
.hero h1 .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(50px) rotate(10deg);
    animation: charReveal 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes charReveal {
    to {
        opacity: 1;
        transform: translateY(0) rotate(0);
    }
}

.hero .lead {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   SCROLL REVEAL ANIMATIONS
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ========================================
   BREADCRUMB
   ======================================== */

.breadcrumb {
    background: var(--color-bg-secondary);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    margin-top: var(--header-height);
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    gap: var(--spacing-xs);
    font-size: 0.8125rem;
    align-items: center;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    color: var(--color-text-secondary);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-xs);
    color: var(--color-text-secondary);
    opacity: 0.5;
}

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

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

.breadcrumb li[aria-current="page"] {
    color: var(--color-text);
}

/* ========================================
   CATEGORIES SECTION
   ======================================== */

.categories {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg);
}

.categories h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* Category Card */
.category-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    cursor: none;
    transition: all var(--transition-base);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.category-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--color-primary-glow) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.category-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover::after {
    opacity: 1;
}

.category-card h2,
.category-card h3 {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    text-transform: none;
    letter-spacing: 0;
    line-height: 1.2;
}

.category-card h2 a,
.category-card h3 a {
    color: var(--color-text);
}

.category-card:hover h2 a,
.category-card:hover h3 a {
    color: var(--color-primary);
}

.category-meta {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-primary-glow);
    color: var(--color-primary-light);
    font-size: 0.6875rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.category-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all var(--transition-base);
}

.category-link::after {
    content: '→';
    transition: transform var(--transition-spring);
}

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

.category-link:hover::after {
    transform: translateX(8px);
}

/* ========================================
   ARTICLES SECTION
   ======================================== */

.articles {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-secondary);
}

.articles h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-2xl);
    text-align: center;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* Article Card */
.article-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    height: 100%;
    cursor: none;
    transition: all var(--transition-base);
}

.article-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.article-card h3,
.article-card h2 {
    font-size: 1.25rem;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    text-transform: none;
    letter-spacing: 0;
    line-height: 1.3;
}

.article-card h3 a,
.article-card h2 a {
    color: var(--color-text);
    transition: color var(--transition-base);
}

.article-card:hover h3 a,
.article-card:hover h2 a {
    color: var(--color-primary);
}

.article-card .meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.article-card .meta::before {
    display: none;
}

.article-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.article-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: auto;
    transition: all var(--transition-base);
}

.article-card .read-more::after {
    content: '→';
    transition: transform var(--transition-spring);
}

.article-card:hover .read-more::after {
    transform: translateX(8px);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-tertiary) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.cta-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cta-text {
    flex: 1;
    min-width: 280px;
}

.cta-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-primary-glow);
    color: var(--color-primary-light);
    font-size: 0.6875rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.cta-title {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin: 0 0 var(--spacing-xs);
    text-transform: none;
    line-height: 1.3;
}

.cta-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin: 0;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.cta-btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(124, 2, 255, 0.3);
}

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

.cta-btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.cta-btn svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cta-content {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        width: 100%;
        justify-content: center;
    }

    .cta-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   ARTICLE PAGE LAYOUT WITH SIDEBAR
   ======================================== */

.article-content {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-2xl);
}

.article-content .container {
    max-width: var(--max-width);
}

/* Article Header - Title section */
.article-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.article-header h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    text-transform: none;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    margin-top: 0;
}

/* Article Layout - Two columns on desktop */
.article-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

@media (min-width: 1200px) {
    .article-layout {
        grid-template-columns: 1fr var(--sidebar-width);
    }
}

/* Main Article Content */
.article-main {
    max-width: 100%;
    min-width: 0;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.8125rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.article-meta .author {
    font-weight: var(--fw-semibold);
    color: var(--color-text);
}

/* Article Sidebar - Sticky TOC */
.article-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
}

/* Sticky TOC in Sidebar */
.toc-sidebar {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.toc-sidebar-title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.toc-sidebar-list {
    list-style: none;
}

.toc-sidebar-list li {
    margin-bottom: var(--spacing-xs);
}

.toc-sidebar-link {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.4;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: all var(--transition-base);
}

.toc-sidebar-link:hover {
    color: var(--color-text);
    background: var(--color-bg-hover);
    border-left-color: var(--color-border-hover);
}

.toc-sidebar-link.active {
    color: var(--color-primary);
    background: var(--color-primary-glow);
    border-left-color: var(--color-primary);
}

/* Article Body */
.article-body {
    font-size: 1.0625rem;
    line-height: 1.85;
}

.article-body p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-body);
}

.article-body h2 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-transform: none;
    line-height: 1.2;
    scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
}

.article-body h3 {
    font-size: 1.25rem;
    margin-top: var(--spacing-xl);
    text-transform: none;
    line-height: 1.3;
    scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
}

/* Lists */
.article-body ul,
.article-body ol {
    margin: var(--spacing-md) 0 var(--spacing-lg);
    padding-left: var(--spacing-md);
}

.article-body ul {
    list-style: none;
}

.article-body ul > li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article-body ul > li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.article-body ol {
    counter-reset: list-counter;
    list-style: none;
}

.article-body ol > li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    counter-increment: list-counter;
}

.article-body ol > li::before {
    content: counter(list-counter, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    font-size: 0.875rem;
    color: var(--color-primary);
}

.article-body li {
    line-height: 1.75;
    color: var(--color-text-body);
}

/* Code */
.article-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    padding: 0.2em 0.5em;
    background: var(--color-bg-tertiary);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.article-body pre {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border: 1px solid var(--color-border);
}

.article-body pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--color-text-body);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* Blockquotes */
.article-body blockquote {
    position: relative;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.article-body blockquote::before {
    content: '"';
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-lg);
    font-family: Georgia, serif;
    font-size: 4rem;
    color: var(--color-primary);
    opacity: 0.3;
    line-height: 1;
}

.article-body blockquote p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 0;
}

/* HR */
.article-body hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    margin: var(--spacing-2xl) 0;
}

/* ========================================
   TABLES
   ======================================== */

table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

table thead {
    background: var(--color-bg-tertiary);
}

table thead th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
}

table tbody tr {
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--color-border);
}

table tbody tr:last-child {
    border-bottom: none;
}

table tbody tr:hover {
    background: var(--color-primary-glow);
}

table tbody td {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text-body);
    font-size: 0.9375rem;
}

/* ========================================
   TABLE OF CONTENTS (Inline - Mobile)
   ======================================== */

.table-of-contents {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
    overflow: hidden;
}

/* Hide inline TOC on desktop when sidebar exists */
@media (min-width: 1200px) {
    .table-of-contents.toc-mobile-only {
        display: none;
    }
}

.toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    cursor: none;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.toc-header:hover {
    background: var(--color-bg-hover);
}

.toc-icon {
    display: none;
}

.toc-title {
    flex: 1;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
}

.toc-toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 0.75rem;
    transition: transform var(--transition-base);
}

.toc-header[aria-expanded="true"] .toc-toggle {
    transform: rotate(180deg);
}

.toc-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    max-height: 2000px;
    opacity: 1;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.toc-list {
    list-style: none;
    padding: var(--spacing-sm) 0 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: var(--spacing-xs);
}

.toc-link {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
    transition: all var(--transition-base);
}

.toc-link:hover,
.toc-link.active {
    color: var(--color-primary);
    background: var(--color-primary-glow);
    border-left-color: var(--color-primary);
    padding-left: var(--spacing-md);
}

/* ========================================
   SIBLINGS SECTION
   ======================================== */

.siblings-section {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

.siblings-section h3 {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-muted);
}

.siblings-horizontal {
    display: flex;
    gap: var(--spacing-md);
    overflow-x: auto;
    padding: var(--spacing-xs) 0 var(--spacing-sm);
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.sibling-card {
    flex: 0 0 auto;
    min-width: 280px;
    max-width: 320px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    cursor: none;
    transition: all var(--transition-base);
}

.sibling-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.sibling-card a {
    color: var(--color-text);
    font-weight: var(--fw-medium);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.sibling-card:hover a {
    color: var(--color-primary);
}

/* ========================================
   CONTENT WITH SIDEBAR (Category pages)
   ======================================== */

.category-content {
    padding: var(--spacing-2xl) 0;
}

.content-with-sidebar {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
    align-items: start;
}

.main-content h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-xl);
}

.category-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    align-self: start;
}

.sidebar-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.sidebar-section h3 {
    font-size: 0.75rem;
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.sidebar-categories {
    list-style: none;
}

.sidebar-categories li {
    margin-bottom: var(--spacing-xs);
}

.sidebar-categories a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
    transition: all var(--transition-base);
}

.sidebar-categories a:hover {
    color: var(--color-text);
    background: var(--color-primary-glow);
    border-left-color: var(--color-primary);
    padding-left: calc(var(--spacing-md) + 8px);
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

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

footer p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

footer nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

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

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

/* ========================================
   OTHER PAGES
   ======================================== */

.related-articles {
    background: var(--color-bg-secondary);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-border);
}

.related-articles h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-xl);
}

.category-nav {
    padding: var(--spacing-xl) 0;
}

.category-nav h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-lg);
}

.category-nav ul {
    list-style: none;
}

.category-nav li {
    margin-bottom: var(--spacing-sm);
}

.category-nav li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border-left: 3px solid var(--color-primary);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.category-nav li a:hover {
    padding-left: var(--spacing-lg);
    background: var(--color-primary-glow);
    color: var(--color-text);
}

.sitemap-section {
    margin-bottom: var(--spacing-2xl);
}

.sitemap-section h2 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.sitemap-section ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-sm);
}

.sitemap-section li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.sitemap-section li a:hover {
    background: var(--color-primary-glow);
    color: var(--color-text);
}

.legal-content {
    padding: var(--spacing-2xl) 0;
    padding-top: calc(var(--header-height) + var(--spacing-2xl));
    max-width: var(--content-width);
    margin: 0 auto;
}

.legal-content section {
    margin-bottom: var(--spacing-2xl);
}

.legal-content h2 {
    margin-top: 0;
    color: var(--color-primary);
}

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

@media (max-width: 1199px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        display: none;
    }

    .article-main {
        max-width: 100%;
    }
}

@media (max-width: 1024px) {
    .content-with-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 3rem;
        --spacing-4xl: 4rem;
        --header-height: 70px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    /* Header */
    .logo-text {
        display: none;
    }

    .logo-img {
        height: 30px;
    }

    .phone-number {
        display: none;
    }

    .phone-btn {
        padding: var(--spacing-sm);
        min-width: 44px;
        min-height: 44px;
        border-radius: 50%;
    }

    /* Hero */
    .hero {
        min-height: 50vh;
    }

    /* Grids */
    .categories-grid,
    .articles-grid,
    .category-articles-grid {
        grid-template-columns: 1fr;
    }

    .article-card,
    .category-card {
        padding: var(--spacing-lg);
    }

    /* Article */
    .article-body {
        font-size: 1rem;
    }

    /* Footer */
    footer .container {
        flex-direction: column;
        text-align: center;
    }

    footer nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    /* Table */
    table {
        font-size: 0.875rem;
    }

    table thead th,
    table tbody td {
        padding: var(--spacing-sm);
    }
}

/* ========================================
   UTILITIES
   ======================================== */

.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.mt-0 { margin-top: 0 !important; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mb-0 { margin-bottom: 0 !important; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }

/* ========================================
   PRINT
   ======================================== */

@media print {
    .custom-cursor,
    .reading-progress,
    header,
    footer,
    .breadcrumb,
    .sidebar,
    .article-sidebar,
    .siblings-section,
    .table-of-contents {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
        cursor: auto;
    }

    h1, h2, h3, h4, h5, h6, p, a {
        color: #000 !important;
    }
}

/* ========================================
   REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}