/* ========================================
   CDN System - Line Art Design System
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-black: #0a0a0a;
    --deep-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #3a3a3a;

    /* Purple Theme Colors */
    --purple-primary: #a855f7;      /* Main purple */
    --purple-light: #c084fc;        /* Light purple */
    --purple-dark: #7c3aed;         /* Dark purple */
    --purple-glow: rgba(168, 85, 247, 0.4);

    /* Line Colors */
    --line-primary: #ffffff;
    --line-secondary: rgba(255, 255, 255, 0.7);
    --line-accent: var(--purple-primary);
    --line-accent-glow: var(--purple-glow);

    /* Backgrounds */
    --bg-primary: #000000;
    --bg-secondary: #0f0f0f;
    --bg-card: rgba(168, 85, 247, 0.03);
    --bg-card-hover: rgba(168, 85, 247, 0.08);

    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    --font-cn-primary: 'PingFang SC', 'Microsoft YaHei', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-hero: 4rem;

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

    /* Animation */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--line-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Decorative line elements */
body::before,
body::after {
    content: '';
    position: fixed;
    background: linear-gradient(180deg, var(--purple-primary), transparent);
    pointer-events: none;
    z-index: 0;
}

body::before {
    top: 0;
    left: 10%;
    width: 1px;
    height: 100vh;
    opacity: 0.15;
}

body::after {
    top: 0;
    right: 10%;
    width: 1px;
    height: 100vh;
    opacity: 0.15;
}

/* Canvas Background */
#lineCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.app {
    position: relative;
    z-index: 1;
}

/* Horizontal decorative lines - disabled to avoid layout issues */
/*
.app::before,
.app::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-primary), transparent);
    opacity: 0.2;
    pointer-events: none;
}

.app::before {
    top: 50vh;
}

.app::after {
    top: 75vh;
}
*/

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 2rem;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--light-gray);
    transition: all 0.3s var(--ease-smooth);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: var(--font-mono);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--line-primary);
    text-decoration: none;
    position: relative;
    letter-spacing: -0.02em;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--line-accent);
    transition: width 0.3s var(--ease-smooth);
}

.logo:hover::after {
    width: 100%;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    color: var(--line-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s var(--ease-smooth);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--line-accent);
    transition: width 0.3s var(--ease-smooth);
}

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

.nav-link:hover::after {
    width: 100%;
}

.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--line-secondary);
    font-size: var(--text-sm);
    font-family: var(--font-primary);
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    min-height: 44px; /* Ensure adequate touch target */
    min-width: 60px;
    -webkit-tap-highlight-color: transparent; /* Remove tap highlight on mobile */
    user-select: none;
    touch-action: manipulation; /* Prevent double-tap zoom */
}

.language-switcher:hover {
    border-color: var(--line-accent);
    color: var(--line-primary);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.line-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    text-align: center;
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s var(--ease-smooth) forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
    background: linear-gradient(135deg, var(--line-primary) 0%, var(--line-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--line-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-smooth) 0.6s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-smooth) 0.8s forwards;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: var(--text-base);
    font-weight: 600;
    font-family: var(--font-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    color: #ffffff;
    font-weight: 700;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--purple-glow);
    background: linear-gradient(135deg, var(--purple-dark), var(--purple-primary));
}

.btn-secondary {
    background: transparent;
    color: var(--line-primary);
    border: 1px solid var(--light-gray);
}

.btn-secondary:hover {
    border-color: var(--line-accent);
    color: var(--line-accent);
}

.btn-arrow {
    transition: transform 0.3s var(--ease-smooth);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeIn 0.8s var(--ease-smooth) 1s forwards;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    transition: all 0.3s var(--ease-smooth);
}

.stat-item:hover {
    border-color: var(--line-accent);
    transform: translateY(-5px);
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--line-accent);
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--line-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   Features Section
   ======================================== */

.features {
    padding: var(--spacing-2xl) 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--line-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.3s var(--ease-smooth);
}

.feature-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    color: var(--primary-black);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 8px rgba(168, 85, 247, 0.3);
    z-index: 10;
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    border-color: var(--line-accent);
    transform: translateY(-10px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--line-accent);
    transition: all 0.4s var(--ease-smooth);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) translateY(-5px);
    filter: drop-shadow(0 0 15px var(--purple-glow));
}

.feature-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--text-sm);
    color: var(--line-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.feature-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--line-accent);
    transition: width 0.5s var(--ease-smooth);
}

.feature-card:hover .feature-line {
    width: 100%;
}

/* ========================================
   Footer
   ======================================== */

/* ========================================
   Use Cases Section
   ======================================== */

.use-cases {
    padding: var(--spacing-2xl) 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.use-cases-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.use-case-tab {
    padding: 0.875rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-md);
    color: var(--line-secondary);
    font-size: var(--text-base);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    font-family: var(--font-primary);
}

.use-case-tab:hover {
    border-color: var(--line-accent);
    color: var(--line-primary);
}

.use-case-tab.active {
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    color: #ffffff;
    border-color: transparent;
}

.use-cases-content {
    position: relative;
    min-height: 400px;
}

.use-case-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s var(--ease-smooth);
}

.use-case-panel.active {
    display: grid;
    animation: fadeInUp 0.6s var(--ease-smooth) forwards;
}

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

.use-case-text {
    padding: 2rem;
}

.use-case-subtitle {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-left: 1rem;
}

.use-case-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--line-accent);
}

.use-case-description {
    font-size: var(--text-base);
    color: var(--line-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.use-case-value {
    padding: 1.5rem;
    background: var(--bg-card);
    border-left: 3px solid var(--line-accent);
    border-radius: var(--radius-sm);
}

.value-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--line-accent);
}

.value-description {
    font-size: var(--text-sm);
    color: var(--line-secondary);
    line-height: 1.8;
}

.use-case-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.rocket-illustration {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ========================================
   Installation Section
   ======================================== */

.installation {
    padding: var(--spacing-2xl) 2rem;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.05), rgba(168, 85, 247, 0.02));
    position: relative;
}

.installation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--purple-primary), transparent);
    opacity: 0.3;
}

.installation-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.installation-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--line-primary), var(--line-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.installation-subtitle {
    font-size: var(--text-lg);
    color: var(--line-secondary);
    margin-bottom: var(--spacing-xl);
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.step-content h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: var(--text-sm);
    color: var(--line-secondary);
    line-height: 1.6;
}

.installation-code {
    position: relative;
}

.code-block {
    background: var(--deep-gray);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--light-gray);
}

.code-title {
    font-size: var(--text-sm);
    color: var(--line-accent);
    font-family: var(--font-mono);
    font-weight: 600;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-sm);
    color: var(--line-secondary);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    font-family: var(--font-primary);
}

.copy-btn:hover {
    border-color: var(--line-accent);
    color: var(--line-accent);
}

.copy-btn.copied {
    border-color: var(--line-accent);
    color: var(--line-accent);
}

.code-content {
    padding: 1.5rem;
    overflow-x: auto;
}

.code-content code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--line-primary);
    line-height: 1.8;
}

.installation-note {
    margin-top: var(--spacing-md);
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border-left: 3px solid var(--line-accent);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--line-secondary);
    line-height: 1.6;
}

/* ========================================
   Multi-Tenant Section
   ======================================== */

.multi-tenant {
    padding: var(--spacing-2xl) 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.title-separator {
    color: var(--line-accent);
    margin: 0 1rem;
}

.multi-tenant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tenant-card {
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ease-smooth);
}

.tenant-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--line-accent), transparent);
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
}

.tenant-card:hover {
    border-color: var(--line-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.2);
}

.tenant-card:hover::before {
    opacity: 1;
}

.tenant-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--line-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(168, 85, 247, 0.1);
    border-radius: var(--radius-md);
    transition: all 0.3s var(--ease-smooth);
}

.tenant-card:hover .tenant-icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--purple-glow);
}

.tenant-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.tenant-description {
    font-size: var(--text-sm);
    color: var(--line-secondary);
    line-height: 1.6;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: var(--spacing-2xl) 2rem var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
}

.footer-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    font-size: var(--text-sm);
    color: var(--line-secondary);
}

.footer-links {
    list-style: none;
}

.footer-links a {
    display: block;
    color: var(--line-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    padding: 0.25rem 0;
    transition: color 0.3s var(--ease-smooth);
}

.footer-links a:hover {
    color: var(--line-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
    color: var(--line-secondary);
    font-size: var(--text-sm);
}

/* ========================================
   Mobile Navigation
   ======================================== */

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px; /* Increase touch area */
    z-index: 1002;
    position: relative;
    -webkit-tap-highlight-color: transparent; /* Remove tap highlight on mobile */
    user-select: none;
    touch-action: manipulation; /* Prevent double-tap zoom */
    /* Ensure minimum 44x44 touch target */
    min-width: 44px;
    min-height: 44px;
}

.hamburger-line {
    width: 100%;
    max-width: 28px; /* Constrain line width */
    height: 2px;
    background: var(--line-primary);
    transition: all 0.3s var(--ease-smooth);
    transform-origin: center;
    margin: 0 auto; /* Center the lines */
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1001;
    transition: right 0.4s var(--ease-smooth);
    border-left: 1px solid var(--light-gray);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: 5rem 2rem 2rem;
}

.mobile-nav-links {
    list-style: none;
}

.mobile-nav-links li {
    margin-bottom: 0.5rem;
}

.mobile-nav-link {
    display: block;
    color: var(--line-secondary);
    text-decoration: none;
    font-size: var(--text-lg);
    padding: 1rem 0;
    border-bottom: 1px solid var(--light-gray);
    transition: all 0.3s var(--ease-smooth);
    position: relative;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: var(--line-accent);
    transition: width 0.3s var(--ease-smooth);
}

.mobile-nav-link:hover {
    color: var(--line-primary);
    padding-left: 1rem;
}

.mobile-nav-link:hover::before {
    width: 0.5rem;
}

/* ========================================
   Pricing Section
   ======================================== */

.pricing {
    padding: var(--spacing-2xl) 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    padding: 2.5rem 2rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-smooth);
    display: flex;
    flex-direction: column;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--line-accent), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--ease-smooth);
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card.featured {
    border-color: var(--line-accent);
    transform: scale(1.05);
    box-shadow: 0 20px 60px var(--purple-glow);
}

.pricing-card.featured::before {
    opacity: 1;
    background: linear-gradient(90deg, var(--line-accent), var(--line-primary), var(--line-accent));
}

.pricing-card:hover {
    border-color: var(--line-accent);
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(168, 85, 247, 0.2);
}

.pricing-card.featured:hover {
    transform: scale(1.08) translateY(-10px);
}

.featured-badge {
    position: absolute;
    top: 1.5rem;
    right: -2rem;
    background: linear-gradient(135deg, var(--purple-primary), var(--purple-light));
    color: #ffffff;
    padding: 0.5rem 2.5rem;
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transform: rotate(45deg);
    box-shadow: 0 4px 15px var(--purple-glow);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.pricing-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    color: var(--line-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--line-accent);
    border-radius: 50%;
    transition: all 0.3s var(--ease-smooth);
}

.pricing-card:hover .pricing-icon {
    transform: rotate(360deg);
    box-shadow: 0 0 30px var(--purple-glow);
}

.pricing-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.pricing-desc {
    font-size: var(--text-sm);
    color: var(--line-secondary);
}

.pricing-price {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-currency {
    font-size: var(--text-2xl);
    color: var(--line-accent);
    font-weight: 700;
}

.price-amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--line-primary);
    font-family: var(--font-mono);
    line-height: 1;
}

.price-period {
    font-size: var(--text-base);
    color: var(--line-secondary);
}

.pricing-features {
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s var(--ease-smooth);
}

.pricing-feature:hover {
    padding-left: 0.5rem;
    background: rgba(168, 85, 247, 0.08);
}

.feature-check {
    color: var(--line-accent);
    flex-shrink: 0;
}

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

.pricing-line-decoration {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--line-accent);
    transition: width 0.6s var(--ease-smooth);
}

.pricing-card:hover .pricing-line-decoration {
    width: 100%;
}

.pricing-card.featured .pricing-line-decoration {
    width: 100%;
}

/* ========================================
   Enhanced Line Decorations
   ======================================== */

.section-header {
    position: relative;
    padding-bottom: 1rem;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--line-accent), transparent);
}

/* Animated corner lines for cards */
.feature-card::before,
.feature-card::after,
.pricing-card::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--line-accent);
    opacity: 0;
    transition: all 0.4s var(--ease-smooth);
}

.feature-card::before {
    top: -1px;
    left: -1px;
    border-right: none;
    border-bottom: none;
}

.feature-card::after {
    bottom: -1px;
    right: -1px;
    border-left: none;
    border-top: none;
}

.feature-card:hover::before,
.feature-card:hover::after {
    opacity: 1;
    width: 30px;
    height: 30px;
}

.pricing-card::after {
    bottom: -1px;
    left: -1px;
    border-right: none;
    border-top: none;
}

.pricing-card:hover::after {
    opacity: 1;
    width: 30px;
    height: 30px;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .price-amount {
        font-size: 3rem;
    }

    .feature-badge {
        font-size: 0.6rem;
        padding: 0.25rem 0.6rem;
    }

    /* Use Cases Responsive */
    .use-case-panel {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .use-case-tab {
        padding: 0.75rem 1.5rem;
        font-size: var(--text-sm);
    }

    /* Installation Responsive */
    .installation-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .installation-title {
        font-size: var(--text-3xl);
    }

    /* Multi-Tenant Responsive */
    .multi-tenant-grid {
        grid-template-columns: 1fr;
    }

    .title-separator {
        display: block;
        margin: 0.5rem 0;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1025px) and (max-width: 1440px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}