/**
 * VelocityNvim Landing Page - Bundled CSS
 * All stylesheets combined for optimal performance
 * Generated: 2025-01-11
 */

/* ============================================
   1. VARIABLES
   ============================================ */

:root {
    /* Primary Colors */
    --color-primary: #0366d6;
    --color-primary-dark: #0256c7;
    --color-text: #24292f;
    --color-text-secondary: #586069;
    --color-success: #22863a;
    --color-warning: #ffc107;
    --color-warning-dark: #f59e0b;
    --color-danger: #dc3545;
    --color-orange: #fd7e14;

    /* Background Colors */
    --bg-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-header: linear-gradient(135deg, #0366d6 0%, #0256c7 100%);
    --bg-gradient-donation: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-light: #f6f8fa;
    --bg-white: #ffffff;
    --bg-code: #24292f;

    /* Border Colors */
    --border-color: #e1e4e8;
    --border-primary: #0366d6;

    /* Text Colors for Code Blocks */
    --text-code: #c9d1d9;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 30px;
    --spacing-2xl: 40px;
    --spacing-3xl: 60px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Breakpoints */
    --breakpoint-mobile: 480px;
    --breakpoint-tablet: 768px;
    --breakpoint-desktop: 1024px;
    --breakpoint-wide: 1320px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 4px 15px rgba(3, 102, 214, 0.3);
    --shadow-md: 0 6px 20px rgba(3, 102, 214, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-code: 0 4px 12px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Monaco', 'Consolas', monospace;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Icon Sizes */
    --icon-size-sm: 1em;
    --icon-size-md: 1.2em;
    --icon-size-lg: 1.5em;
    --icon-size-xl: 2.5em;
}

/* ============================================
   2. BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: var(--bg-gradient-primary);
    min-height: 100vh;
    padding: 0;
    margin: 0;
}

.container {
    width: calc(100% - 20px);
    max-width: var(--breakpoint-wide);
    margin: 10px auto;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.header {
    background: var(--bg-gradient-header);
    color: white;
    padding: var(--spacing-3xl) var(--spacing-2xl);
    padding-top: 180px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 150px;
    background-image: url('../images/VelocityNvim_Logo.svg?v=2');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    z-index: 1;
    pointer-events: none;
}

.header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.header .subtitle {
    font-size: 1.3em;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

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

/* Prevent CLS by reserving space for dynamic content */
#hero-container {
    min-height: 800px;
}

#support-container {
    min-height: 400px;
}

#links-container {
    min-height: 200px;
}

.footer {
    background: #1a202c;
    color: #a0aec0;
    padding: var(--spacing-3xl) var(--spacing-2xl);
    text-align: center;
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    align-items: start;
}

.footer-info p,
.footer-communities h3 {
    margin: 0;
    font-size: 0.95em;
}

.footer-communities h3 {
    font-size: 1.1em;
    margin-bottom: var(--spacing-md);
    color: #a0aec0;
}

.social-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.social-icon {
    width: 24px;
    height: 24px;
    filter: invert(1);
    display: block;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-logo {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.footer-brand p {
    margin: 0;
    color: white;
}

.footer-brand small {
    color: #a0aec0;
}

/* Typography */
h2 {
    color: var(--color-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

/* ============================================
   3. COMPONENTS
   ============================================ */

/* Hero Section */
.hero-section {
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.hero-subtitle {
    font-size: 1.3em;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.hero-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 500px;
    margin: 0 auto var(--spacing-3xl) auto;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    min-width: 160px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    -webkit-tap-highlight-color: transparent;
}

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

.hero-btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-btn-secondary {
    background: #2d3748;
    color: white;
}

.hero-btn-secondary:hover {
    background: #1a202c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.hero-screenshot {
    margin: var(--spacing-2xl) auto;
    max-width: 900px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: none;
    transition: all 0.6s ease;
    cursor: pointer;
}

/* Desktop: Match features grid width */
@media (min-width: 769px) {
    .hero-screenshot {
        max-width: 1200px;
    }
}

.hero-screenshot.scroll-hover-active {
    transform: translateY(-4px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.95);
}

/* Desktop hover effect */
@media (min-width: 769px) {
    .hero-screenshot:hover {
        transform: translateY(-4px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.95);
    }
}

.hero-screenshot img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Section */
.features-section {
    background: var(--bg-light);
    padding: var(--spacing-3xl) var(--spacing-2xl);
    margin: var(--spacing-2xl) -40px;
    border-radius: var(--radius-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 280px));
    gap: var(--spacing-3xl);
    max-width: 1400px;
    margin: 0 auto;
    justify-content: center;
}

.feature-card {
    background: transparent;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.6s ease;
    box-shadow: none;
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 280px;
    width: 100%;
    margin: 0 auto;
}

.feature-card.scroll-hover-active {
    background: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-radius: 24px;
}

/* Desktop hover effect */
@media (min-width: 769px) {
    .feature-card:hover {
        background: white;
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-radius: 24px;
    }
}

/* Clickable feature card */
a.feature-card {
    cursor: pointer;
    display: flex;
}

a.feature-card:hover {
    opacity: 1;
}

.feature-icon-box {
    width: 80px;
    height: 80px;
    background: rgba(3, 102, 214, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg) auto;
    transition: all 0.6s ease-in-out;
}

.feature-card span[data-icon],
.feature-card img {
    display: inline-block;
    transition: all 0.6s ease-in-out;
    margin-bottom: var(--spacing-md);
}

.feature-card.scroll-hover-active span[data-icon],
.feature-card.scroll-hover-active img {
    transform: scale(1.5);
}

/* Desktop icon hover effect */
@media (min-width: 769px) {
    .feature-card:hover span[data-icon],
    .feature-card:hover img {
        transform: scale(1.5);
    }
}

.feature-card h2,
.feature-card h3 {
    color: var(--color-text);
    font-size: 1.3em;
    margin: var(--spacing-md) 0;
    padding: 0;
    border: none;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Legacy Support */
.cta-button {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 600;
    margin: var(--spacing-lg) 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    -webkit-tap-highlight-color: transparent;
}

.cta-button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-button:active {
    transform: scale(0.98);
}

/* Old Features Grid */
.features {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xl) 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.features li {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--border-primary);
}

/* Code Blocks */
.code-block {
    background: var(--bg-code);
    color: var(--text-code);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.95em;
}

/* Copy Button */
.copy-btn {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1.2em;
    transition: all var(--transition-normal);
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.copy-btn:active {
    transform: scale(0.95);
}

.copy-feedback {
    position: absolute;
    top: -35px;
    right: 10px;
    background: rgba(34, 197, 94, 0.95);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.95em;
    font-family: var(--font-family);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    box-shadow: var(--shadow-code);
    white-space: nowrap;
    min-width: 100px;
}

.copy-feedback span {
    display: inline;
    vertical-align: middle;
}

.copy-feedback svg,
.copy-feedback .icon-inline {
    display: inline-block;
    vertical-align: middle;
    margin: 0;
}

.copy-feedback.show {
    opacity: 1;
}

/* Links Section */
.links {
    list-style: none;
    padding: 0;
}

.links li {
    margin: 10px 0;
}

.links a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 1.1em;
    transition: color var(--transition-fast);
}

.links a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Install Section */
.install-section {
    background: var(--bg-light);
    padding: 25px;
    border-radius: var(--radius-lg);
    margin: 25px 0;
}

.install-section h3 {
    color: var(--color-text);
    margin: 0 0 var(--spacing-md) 0;
    padding: 0;
    border: none;
    font-size: 1.3em;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
}

.tab {
    padding: 10px var(--spacing-lg);
    cursor: pointer;
    border: none;
    background: transparent;
    font-size: 1em;
    color: var(--color-text-secondary);
    border-bottom: 3px solid transparent;
    transition: all var(--transition-normal);
    -webkit-tap-highlight-color: transparent;
}

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

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Language Content Toggle */
.lang-content {
    display: none;
}

.lang-content.active {
    display: block;
}

.lang-content.active.hero-buttons {
    display: grid;
}

.lang-content.active.features {
    display: grid;
}

.lang-content.active.features-grid {
    display: grid;
}

/* Documentation Section - for detail pages */
.documentation-section {
    max-width: 100%;
}

.documentation-section .feature-card {
    background: transparent;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: left;
    transition: all 0.6s ease;
    box-shadow: none;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    width: 100%;
    margin: var(--spacing-lg) 0;
    max-width: 100%;
    aspect-ratio: auto !important;
    height: auto !important;
}

.documentation-section .feature-card.scroll-hover-active {
    background: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-radius: 24px;
}

/* Desktop hover effect */
@media (min-width: 769px) {
    .documentation-section .feature-card:hover {
        background: white;
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-radius: 24px;
    }
}

.documentation-section .feature-card span[data-icon],
.documentation-section .feature-card img {
    display: block;
    transition: all 0.6s ease-in-out;
    margin: 0;
}

.documentation-section .feature-card.scroll-hover-active span[data-icon],
.documentation-section .feature-card.scroll-hover-active img {
    transform: scale(1.2);
}

/* Desktop icon hover effect */
@media (min-width: 769px) {
    .documentation-section .feature-card:hover span[data-icon],
    .documentation-section .feature-card:hover img {
        transform: scale(1.2);
    }
}

.documentation-section .feature-card > div {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    width: 100%;
}

.documentation-section .feature-card > div > span[data-icon] {
    flex-shrink: 0;
}

.documentation-section .feature-card > div > div {
    flex: 1;
}

.documentation-section .feature-card h2,
.documentation-section .feature-card h3 {
    color: var(--color-text);
    font-size: 1.3em;
    margin: 0 0 var(--spacing-sm) 0;
    padding: 0;
    border: none;
}

.documentation-section .feature-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   4. NAVIGATION
   ============================================ */

/* Sticky Navigation */
.sticky-nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    width: 100%;
    left: 0;
    right: 0;
}

.nav-content {
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-2xl);
    gap: var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3em;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
}

.nav-logo img {
    height: 50px;
    width: auto;
    display: block;
    object-fit: contain;
    vertical-align: middle;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    font-size: 0.95em;
    font-weight: 500;
}

.nav-links a:hover {
    background: var(--bg-light);
    color: var(--color-primary);
}

/* Language Switch */
.nav-lang-switch {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.nav-lang-btn {
    background: var(--bg-light);
    color: var(--color-text-secondary);
    border: 1px solid transparent;
    padding: 0;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.85em;
    transition: all var(--transition-normal);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.nav-lang-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    font-weight: 600;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-xs);
    background: transparent;
    border: none;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   5. DONATION SECTION
   ============================================ */

.donation-section {
    background: transparent;
    padding: var(--spacing-2xl) 0;
    margin: var(--spacing-xl) 0;
    text-align: center;
}

.donation-section h2 {
    color: var(--color-text);
    border-bottom: none;
    margin: 0 0 var(--spacing-lg) 0;
    padding-bottom: 10px;
}

.donation-section p {
    font-size: 1.1em;
    margin-bottom: 10px;
    color: var(--color-text);
}

.bitcoin-address {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: 0.95em;
    word-break: break-all;
    margin: var(--spacing-lg) 0;
    border: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.donation-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.donate-btn {
    background: rgba(255, 255, 255, 0.9);
    color: #f5576c;
    padding: var(--spacing-sm) 25px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.donate-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 280px));
    gap: var(--spacing-3xl);
    margin-top: 25px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

.support-item {
    background: transparent;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all 0.6s ease;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    aspect-ratio: 1 / 1;
    justify-content: center;
    max-width: 280px;
    width: 100%;
    margin: 0 auto;
}

.support-item.scroll-hover-active {
    background: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-radius: 24px;
}

/* Desktop hover effect */
@media (min-width: 769px) {
    .support-item:hover {
        background: white;
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-radius: 24px;
    }
}

.support-item-empty {
    visibility: hidden;
}

.support-icon-box {
    width: 80px;
    height: 80px;
    background: rgba(3, 102, 214, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px auto;
    transition: all var(--transition-normal);
}

.support-icon-box svg,
.support-icon-box .icon-inline {
    display: block;
    margin: 0 auto;
}

.support-item span[data-icon] {
    display: inline-block;
    transition: all 0.6s ease-in-out;
    margin-bottom: var(--spacing-md);
}

.support-item.scroll-hover-active span[data-icon] {
    transform: scale(1.5);
}

/* Desktop icon hover effect */
@media (min-width: 769px) {
    .support-item:hover span[data-icon] {
        transform: scale(1.5);
    }
}

.support-item .emoji {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 5px;
    min-height: 60px;
}

.bitcoin-item .emoji {
    margin-bottom: 2px;
}

.bitcoin-item h3 {
    margin-top: 0;
}

.support-item .emoji svg,
.support-item .emoji .material-symbols-outlined {
    width: 60px;
    height: 60px;
    display: block;
    margin: 0 auto;
}

.support-item h3 {
    color: var(--color-text);
    font-size: 1.3em;
    margin: var(--spacing-md) 0;
    border: none;
    padding: 0;
}

.support-item p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Support items that are links should inherit all support-item styles */
a.support-item {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    display: flex;
}

a.support-item:hover {
    opacity: 1;
}

.bitcoin-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bitcoin-item .copy-btn {
    background: #0366d6;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    line-height: normal;
}

/* Prevent icon scaling inside copy button */
.bitcoin-item .copy-btn span[data-icon] {
    transform: none !important;
    transition: none;
    margin: 0;
    padding: 0;
}

.bitcoin-item.scroll-hover-active .copy-btn span[data-icon],
.bitcoin-item:hover .copy-btn span[data-icon] {
    transform: none !important;
}

.bitcoin-item .copy-feedback {
    top: auto;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    right: auto;
    width: max-content;
    min-width: 120px;
}

/* ============================================
   6. PAGE NAVIGATION
   ============================================ */

/* Mobile navigation arrows in navbar */
.mobile-page-nav {
    display: none;
}

@media (max-width: 768px) {
    .mobile-page-nav {
        display: flex;
        gap: var(--spacing-sm);
        align-items: center;
        order: 2;
        margin-left: auto;
    }

    .mobile-nav-arrow {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
        max-width: 36px;
        max-height: 36px;
        border-radius: var(--radius-md);
        background: transparent;
        color: var(--color-primary);
        text-decoration: none;
        transition: all var(--transition-normal);
        -webkit-tap-highlight-color: transparent;
        flex-shrink: 0;
    }

    .mobile-nav-arrow:hover {
        background: var(--border-color);
    }

    .mobile-nav-arrow:active {
        transform: scale(0.95);
    }

    .mobile-nav-arrow.disabled {
        opacity: 0.3;
        cursor: not-allowed;
        pointer-events: none;
    }

    .mobile-nav-arrow span[data-icon] {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ============================================
   7. ICONS
   ============================================ */

/* Material Icons Styling */
.material-symbols-outlined {
    font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
    display: inline-block;
    user-select: none;
}

/* Custom SVG Icon Utility Classes */
.icon-inline {
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

h2 .icon-inline,
h3 .icon-inline,
h4 .icon-inline {
    width: var(--icon-size-md);
    height: var(--icon-size-md);
}

.nav-lang-btn .icon-inline {
    width: var(--icon-size-sm);
    height: var(--icon-size-sm);
    margin-right: 4px;
}

/* Support Grid Icon Sizes */
.support-item .emoji {
    display: block;
    margin-bottom: 10px;
}

.support-item .emoji svg,
.support-item .emoji .material-symbols-outlined {
    width: 60px;
    height: 60px;
    margin-right: 0;
}

/* ============================================
   8. MOBILE RESPONSIVE
   ============================================ */

/* Base Mobile Styles */
@media (max-width: 768px) {
    body {
        font-size: 14px;
        padding-top: 60px;
    }

    .container {
        width: 100%;
        margin: 0;
        border-radius: 0;
    }

    .header {
        padding: var(--spacing-xl) var(--spacing-md);
        padding-top: 140px;
    }

    .header::before {
        width: 240px;
        height: 120px;
        top: 15px;
    }

    .header h1 {
        font-size: 2em;
    }

    .header .subtitle {
        font-size: 1.1em;
    }

    .content {
        padding: var(--spacing-md) 10px;
    }

    /* Adjust container heights for mobile */
    #hero-container {
        min-height: 1200px;
    }

    #support-container {
        min-height: 600px;
    }

    #links-container {
        min-height: 150px;
    }

    .footer {
        padding: var(--spacing-xl) 10px;
        min-height: 380px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

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

    .footer-logo {
        width: 50px;
        height: 50px;
    }

    h2 {
        font-size: 1.5em;
        margin: 25px 0 var(--spacing-sm) 0;
    }

    /* Hero Section Mobile */
    .hero-subtitle {
        font-size: 1.1em;
        margin-bottom: var(--spacing-lg);
    }

    .hero-buttons {
        gap: var(--spacing-sm);
        max-width: calc(100% - 20px);
        margin-left: auto;
        margin-right: auto;
    }

    .hero-btn {
        padding: 12px 16px;
        font-size: 0.9em;
        min-width: 0;
    }

    .hero-screenshot {
        margin: var(--spacing-xl) var(--spacing-md);
        border-radius: 8px;
    }

    /* Features Section Mobile */
    .features-section {
        padding: var(--spacing-xl) var(--spacing-md);
        margin: var(--spacing-xl) -10px;
        border-radius: var(--radius-lg);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .feature-icon-box {
        width: 70px;
        height: 70px;
    }

    .feature-card h2,
    .feature-card h3 {
        font-size: 1.2em;
    }

    .feature-card p {
        font-size: 0.95em;
    }

    /* Components Mobile */
    .cta-button {
        width: 100%;
        padding: 18px var(--spacing-xl);
        font-size: 1.1em;
        margin: var(--spacing-md) 0;
    }

    .features {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        margin: var(--spacing-lg) 0;
    }

    .features li {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95em;
    }

    .code-block {
        padding: var(--spacing-md);
        margin: var(--spacing-md) 0;
        font-size: 0.85em;
    }

    .code-block code {
        font-size: 0.85em;
    }

    .install-section {
        padding: var(--spacing-md) 10px;
        margin: var(--spacing-md) 0;
    }

    .install-section h3 {
        font-size: 1.1em;
    }

    .tabs {
        gap: 5px;
        margin-bottom: var(--spacing-md);
    }

    .tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9em;
        flex: 1;
        text-align: center;
        min-width: auto;
    }

    .links {
        text-align: left;
    }

    .links li {
        text-align: left;
    }

    .links a {
        font-size: 1em;
        display: inline-block;
        text-align: left;
    }

    .bitcoin-address {
        flex-direction: column;
        padding: var(--spacing-sm);
        font-size: 0.8em;
        gap: 10px;
    }

    .bitcoin-address .copy-btn {
        width: 100%;
        padding: var(--spacing-sm);
        font-size: 1em;
    }

    .code-block .copy-btn {
        position: absolute !important;
        width: auto !important;
        padding: 6px 10px !important;
        font-size: 0.8em !important;
    }

    /* Fix legend list padding in verification section */
    .tab-content ul {
        padding-left: 25px;
        margin-left: 5px;
    }

    /* Improve touch targets */
    a, button, .tab, .nav-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Documentation Section mobile spacing */
    .documentation-section .feature-card {
        padding: var(--spacing-md) var(--spacing-md);
        margin: var(--spacing-md) 0;
    }

    /* Navigation Mobile */
    .sticky-nav {
        position: fixed;
    }

    .nav-content {
        flex-wrap: wrap;
        padding: var(--spacing-xs) 10px;
        align-items: center;
    }

    .nav-logo {
        font-size: 1.1em;
        gap: var(--spacing-xs);
        order: 1;
    }

    .nav-logo img {
        height: 38px;
    }

    .nav-lang-switch {
        order: 2;
        margin-left: auto;
    }

    .hamburger {
        display: flex;
        order: 3;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        background: transparent;
        padding: var(--spacing-md) 0;
        gap: 5px;
        border-top: 1px solid var(--border-color);
        margin-top: 10px;
        order: 4;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 10px var(--spacing-lg);
        font-size: 1em;
    }

    .nav-lang-btn {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
        max-width: 36px;
        max-height: 36px;
        padding: 0;
        flex-shrink: 0;
    }

    .nav-lang-switch {
        align-items: center;
    }

    /* Donation Section Mobile */
    .donation-section {
        padding: 25px 10px;
        margin: var(--spacing-md) 0;
    }

    .donation-section h2 {
        font-size: 1.5em;
    }

    .donation-section p {
        font-size: 1em;
    }

    .support-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }

    .support-item-empty {
        display: none;
    }

    .support-icon-box {
        width: 60px;
        height: 60px;
    }

    .support-item:not(.bitcoin-item) {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md) 10px;
    }

    .support-item:not(.bitcoin-item) a {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        flex: 1;
    }

    .support-item:not(.bitcoin-item) .emoji {
        min-height: auto;
        margin-bottom: 10px;
        flex-shrink: 0;
        justify-content: center;
    }

    .support-item:not(.bitcoin-item) > div:not(.emoji),
    .support-item:not(.bitcoin-item) a > div {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .support-item .emoji svg,
    .support-item .emoji .material-symbols-outlined {
        width: 50px;
        height: 50px;
        margin-right: 0;
    }

    .support-item h3 {
        font-size: 1.2em;
    }

    .support-item p {
        font-size: 0.95em;
    }

    .bitcoin-item p {
        font-size: 0.9em !important;
    }
}

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

    .support-item-empty {
        display: none;
    }
}

@media (max-width: 480px) {
    .header {
        padding-top: 120px;
    }

    .header::before {
        width: 200px;
        height: 100px;
        top: 12px;
    }

    .header h1 {
        font-size: 1.75em;
    }

    .header .subtitle {
        font-size: 1em;
    }

    h2 {
        font-size: 1.3em;
    }
}