/* ==========================================================================
   Automation Factory - Marketing Site Styles
   Modern, clean, professional design
   ========================================================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0ea5e9;
    --accent: #22c55e;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --white: #ffffff;
    --black: #000000;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

/* ==========================================================================
   Utilities
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-lg);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
}

.brand-text {
    color: var(--white);
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.nav-links {
    display: flex;
    gap: var(--space-2xl);
}

.nav-links a {
    color: var(--gray-300);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* ==========================================================================
   Language Switcher (Navbar)
   ========================================================================== */

.lang-switcher {
    display: flex;
    gap: var(--space-xs);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: transparent;
    border: none;
    color: var(--gray-400);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.lang-btn .flag-icon {
    width: 20px;
    height: 14px;
    border-radius: 2px;
    overflow: hidden;
    flex-shrink: 0;
}

.lang-btn span {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-cta {
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 40%);
}

.hero-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: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 0 var(--space-lg);
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    color: var(--primary-light);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Visual (Browser Mockup) */
.hero-visual {
    display: none;
    position: relative;
    z-index: 1;
    flex: 1;
    min-width: 0;
}

.hero-visual .browser-mockup {
    width: 100%;
}

@media (min-width: 1200px) {
    .hero {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: var(--space-2xl);
        padding: var(--space-4xl);
    }

    .hero-visual {
        display: block;
        flex: 0 0 55%;
        max-width: 55%;
    }

    .hero-content {
        text-align: left;
        margin: 0;
        padding: 0;
        flex: 0 0 40%;
        max-width: 40%;
    }

    .hero-actions {
        justify-content: flex-start;
    }

    .hero-stats {
        justify-content: flex-start;
    }
}

.browser-mockup {
    background: rgba(30, 41, 59, 0.8);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    overflow: hidden;
}

.browser-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.browser-dots {
    display: flex;
    gap: var(--space-sm);
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.browser-dots span:nth-child(1) { background: #ef4444; }
.browser-dots span:nth-child(2) { background: #eab308; }
.browser-dots span:nth-child(3) { background: #22c55e; }

.browser-url {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.browser-content {
    display: grid;
    grid-template-columns: 180px 1fr 200px;
    gap: var(--space-md);
    padding: var(--space-lg);
    min-height: 300px;
}

.mockup-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mockup-item {
    height: 32px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-sm);
}

.mockup-item.short {
    width: 60%;
}

.mockup-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.mockup-block {
    width: 80%;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.mockup-block.block-1 { border-left: 3px solid var(--primary); }
.mockup-block.block-2 { border-left: 3px solid var(--secondary); }
.mockup-block.block-3 { border-left: 3px solid var(--accent); }

.block-header {
    height: 12px;
    width: 60%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.block-content {
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.mockup-connector {
    width: 2px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
}

.mockup-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.panel-title {
    height: 16px;
    width: 70%;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
}

.panel-field {
    height: 32px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
}

.panel-field.short {
    width: 50%;
}

/* ==========================================================================
   Sections Common
   ========================================================================== */

section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-500);
    line-height: 1.7;
}

/* ==========================================================================
   Problems/Pain Points Section
   ========================================================================== */

.problems {
    background: linear-gradient(180deg, var(--gray-900) 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.problems::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(239, 68, 68, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(234, 179, 8, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.problems .section-header {
    position: relative;
    z-index: 1;
}

.problems .section-title {
    color: var(--white);
}

.problems .section-subtitle {
    color: var(--gray-400);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.problem-card {
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.problem-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.problem-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.problem-icon svg {
    width: 24px;
    height: 24px;
}

.problem-icon-red {
    background: rgba(239, 68, 68, 0.15);
}
.problem-icon-red svg {
    stroke: #ef4444;
}

.problem-icon-orange {
    background: rgba(249, 115, 22, 0.15);
}
.problem-icon-orange svg {
    stroke: #f97316;
}

.problem-icon-yellow {
    background: rgba(234, 179, 8, 0.15);
}
.problem-icon-yellow svg {
    stroke: #eab308;
}

.problem-icon-purple {
    background: rgba(168, 85, 247, 0.15);
}
.problem-icon-purple svg {
    stroke: #a855f7;
}

.problem-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.problem-card p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.problem-stat {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.problem-stat .stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    background: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.problem-stat .stat-text {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.solution-intro {
    text-align: center;
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    position: relative;
    z-index: 1;
}

.solution-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin-bottom: var(--space-md);
    animation: bounce 2s infinite;
}

.solution-arrow svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.solution-intro h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.solution-intro p {
    color: var(--gray-400);
    max-width: 500px;
    margin: 0 auto;
}

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

.features {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-highlight {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .feature-highlight {
        grid-column: span 1;
    }
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--white);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

.feature-list {
    margin-top: var(--space-md);
    padding-left: var(--space-lg);
}

.feature-list li {
    position: relative;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-md);
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* ==========================================================================
   Galaxy Section
   ========================================================================== */

.galaxy {
    background: var(--white);
}

.galaxy-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

@media (max-width: 992px) {
    .galaxy-content {
        grid-template-columns: 1fr;
    }
}

.galaxy-text .section-label,
.galaxy-text .section-title,
.galaxy-text .section-subtitle {
    text-align: left;
}

.galaxy-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.galaxy-feature {
    display: flex;
    gap: var(--space-md);
}

.galaxy-feature-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
}

.galaxy-feature-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
}

.galaxy-feature h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.galaxy-feature p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Galaxy Visual Card */
.galaxy-visual {
    display: flex;
    justify-content: center;
}

.galaxy-card {
    width: 100%;
    max-width: 400px;
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.galaxy-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-800);
    border-bottom: 1px solid var(--gray-700);
    color: var(--white);
    font-weight: 600;
}

.galaxy-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.galaxy-tabs {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--gray-700);
}

.galaxy-tabs .tab {
    font-size: var(--font-size-sm);
    color: var(--gray-400);
    padding-bottom: var(--space-sm);
    cursor: pointer;
}

.galaxy-tabs .tab.active {
    color: var(--primary-light);
    border-bottom: 2px solid var(--primary);
}

.galaxy-tree {
    padding: var(--space-md);
}

.tree-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-sm);
    color: var(--gray-300);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.tree-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tree-item.indent {
    margin-left: var(--space-xl);
}

.tree-arrow {
    font-size: 10px;
    color: var(--gray-500);
}

.tree-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 10px;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.tree-icon.ns {
    background: rgba(99, 102, 241, 0.3);
    color: var(--primary-light);
}

.tree-icon.role {
    background: rgba(34, 197, 94, 0.3);
    color: var(--accent);
}

.tree-count {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--gray-500);
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* ==========================================================================
   Collaboration Section
   ========================================================================== */

.collaboration {
    background: var(--gray-50);
}

.collab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.collab-card {
    padding: var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition-base);
}

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

.collab-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.collab-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary);
}

.collab-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.collab-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.collab-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: var(--space-3xl);
}

.avatars-demo {
    display: flex;
    align-items: center;
}

.avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--white);
    border: 3px solid var(--white);
    margin-left: -12px;
    box-shadow: var(--shadow-md);
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-1 { background: #ef4444; }
.avatar-2 { background: #3b82f6; }
.avatar-3 { background: #22c55e; }
.avatar-more {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-200);
    border: 3px solid var(--white);
    margin-left: -12px;
}

.avatars-label {
    margin-top: var(--space-md);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

/* ==========================================================================
   Demo Section
   ========================================================================== */

.demo {
    background: var(--white);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

@media (max-width: 992px) {
    .demo-content {
        grid-template-columns: 1fr;
    }
}

.demo-text .section-label,
.demo-text .section-title,
.demo-text .section-subtitle {
    text-align: left;
}

.demo-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.demo-step {
    display: flex;
    gap: var(--space-md);
}

.step-number {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 700;
    border-radius: 50%;
}

.step-content h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.step-content p {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.demo-visual {
    display: flex;
    justify-content: center;
}

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 500px;
    aspect-ratio: 16/9;
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
}

.video-placeholder:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.play-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.video-placeholder:hover .play-button {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.play-button svg {
    width: 28px;
    height: 28px;
    fill: var(--white);
    margin-left: 4px;
}

.video-placeholder span {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

/* ==========================================================================
   Versions Timeline Section
   ========================================================================== */

.versions {
    background: var(--gray-50);
}

/* Feature Legend */
.feature-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    padding: var(--space-md);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.legend-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-500);
    margin-right: var(--space-sm);
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.legend-item:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.legend-item.active {
    background: var(--gray-900);
    border-color: var(--gray-900);
    color: var(--white);
}

.legend-item svg {
    width: 14px;
    height: 14px;
}

/* Legend item colors */
.legend-item[data-filter="api"] svg { fill: #0ea5e9; }
.legend-item[data-filter="frontend"] svg { fill: #a855f7; }
.legend-item[data-filter="backend"] svg { fill: #22c55e; }
.legend-item[data-filter="security"] svg { fill: #f97316; }
.legend-item[data-filter="perf"] svg { fill: #eab308; }
.legend-item[data-filter="collab"] svg { fill: #ec4899; }

.legend-item.active svg { fill: var(--white); }

.legend-reset {
    background: transparent;
    border-color: var(--primary-light);
    color: var(--primary);
}

.legend-reset:hover {
    background: rgba(99, 102, 241, 0.1);
}

/* Filtered state */
.version-features li.filtered-out {
    opacity: 0.2;
    transform: scale(0.95);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

@media (min-width: 768px) {
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    padding-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .timeline-item {
        padding-left: 0;
        padding-right: 0;
    }

    .timeline-item:nth-child(odd) {
        padding-right: calc(50% + 40px);
        text-align: right;
    }

    .timeline-item:nth-child(even) {
        padding-left: calc(50% + 40px);
    }
}

.timeline-marker {
    position: absolute;
    left: 12px;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--white);
    border: 3px solid var(--primary);
    border-radius: 50%;
    z-index: 1;
}

@media (min-width: 768px) {
    .timeline-marker {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item.current .timeline-marker {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.marker-dot {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.timeline-content {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.timeline-item.current .timeline-content {
    border-color: var(--primary);
    box-shadow: var(--shadow-md), 0 0 0 1px var(--primary);
}

.version-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .timeline-item:nth-child(odd) .version-header {
        justify-content: flex-end;
    }
}

.version-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--gradient-primary);
    color: var(--white);
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: var(--radius-md);
}

.version-date {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.version-tag {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.version-tag.current-tag {
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent);
}

.timeline-content h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.version-features {
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

@media (min-width: 768px) {
    .timeline-item:nth-child(odd) .version-features {
        justify-content: flex-end;
    }
}

.version-features li {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    padding: 4px 8px;
    background: var(--gray-50);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    list-style: none;
    cursor: pointer;
    position: relative;
}

.version-features li:hover {
    background: var(--gray-200);
    transform: scale(1.02);
}

.version-features li svg {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

.version-features li span {
    white-space: nowrap;
    font-weight: 500;
}

/* Feature detail tooltip */
.feature-tooltip {
    position: fixed;
    z-index: 9999;
    max-width: 300px;
    padding: var(--space-sm) var(--space-md);
    background: var(--gray-900);
    color: var(--white);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    pointer-events: none;
}

.feature-tooltip.visible {
    opacity: 1;
    visibility: visible;
}

.feature-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid var(--gray-900);
}

/* Feature type colors */
.version-features li.feat-api svg {
    background: rgba(14, 165, 233, 0.15);
    fill: #0ea5e9;
}

.version-features li.feat-frontend svg {
    background: rgba(168, 85, 247, 0.15);
    fill: #a855f7;
}

.version-features li.feat-backend svg {
    background: rgba(34, 197, 94, 0.15);
    fill: #22c55e;
}

.version-features li.feat-security svg {
    background: rgba(249, 115, 22, 0.15);
    fill: #f97316;
}

.version-features li.feat-perf svg {
    background: rgba(234, 179, 8, 0.15);
    fill: #eab308;
}

.version-features li.feat-collab svg {
    background: rgba(236, 72, 153, 0.15);
    fill: #ec4899;
}

.version-features li.feat-stability svg {
    background: rgba(99, 102, 241, 0.15);
    fill: #6366f1;
}

.version-features li.feat-db svg {
    background: rgba(20, 184, 166, 0.15);
    fill: #14b8a6;
}

/* ==========================================================================
   Roadmap Section
   ========================================================================== */

.roadmap {
    background: var(--white);
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.roadmap-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    overflow: hidden;
}

.roadmap-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.roadmap-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.roadmap-version {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.roadmap-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.roadmap-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.roadmap-features li {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--gray-50);
    border-radius: var(--radius-full);
}

.roadmap-features li svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    padding: 2px;
    border-radius: var(--radius-sm);
}

.roadmap-features li span {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.4;
}

/* Roadmap feature type colors (same as versions) */
.roadmap-features li.feat-api svg { background: rgba(14, 165, 233, 0.15); fill: #0ea5e9; }
.roadmap-features li.feat-frontend svg { background: rgba(168, 85, 247, 0.15); fill: #a855f7; }
.roadmap-features li.feat-backend svg { background: rgba(34, 197, 94, 0.15); fill: #22c55e; }
.roadmap-features li.feat-security svg { background: rgba(249, 115, 22, 0.15); fill: #f97316; }
.roadmap-features li.feat-perf svg { background: rgba(234, 179, 8, 0.15); fill: #eab308; }
.roadmap-features li.feat-collab svg { background: rgba(236, 72, 153, 0.15); fill: #ec4899; }

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta {
    background: var(--gradient-hero);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta p {
    font-size: var(--font-size-lg);
    color: var(--gray-400);
    margin-bottom: var(--space-2xl);
}

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

.footer {
    background: var(--gray-900);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

.footer-brand .nav-brand {
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--gray-400);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
}

.footer-column h4 {
    color: var(--white);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-column a {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.footer-version {
    color: var(--gray-600);
}

/* ==========================================================================
   Mobile Responsive
   ========================================================================== */

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

    .nav-right .nav-cta {
        display: none;
    }

    .nav-right {
        gap: var(--space-sm);
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

/* Mobile menu open state */
body.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    padding: var(--space-xl);
    gap: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.menu-open .mobile-menu-btn span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

body.menu-open .mobile-menu-btn span:nth-child(2) {
    opacity: 0;
}

body.menu-open .mobile-menu-btn span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.installation {
    background: var(--gray-50);
}

.install-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.install-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.install-tab.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
}

.install-tab svg {
    width: 20px;
    height: 20px;
}

.install-tab.active svg {
    fill: var(--white);
    stroke: var(--white);
}

.install-content {
    max-width: 900px;
    margin: 0 auto;
}

.install-panel {
    display: none;
}

.install-panel.active {
    display: block;
}

.install-description {
    margin-bottom: var(--space-xl);
}

.install-description h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.install-description p {
    color: var(--gray-600);
    line-height: 1.6;
}

.code-block {
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-lg);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-800);
    border-bottom: 1px solid var(--gray-700);
}

.code-header span {
    color: var(--gray-300);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.copy-btn {
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--gray-300);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.copy-btn.copied {
    background: rgba(34, 197, 94, 0.2);
    border-color: var(--accent);
    color: var(--accent);
}

.code-block pre {
    padding: var(--space-lg);
    overflow-x: auto;
}

.code-block code {
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.7;
    color: var(--gray-100);
}

.code-comment {
    color: var(--gray-500);
}

.install-requirements {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.install-requirements h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.install-requirements ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.install-requirements li {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.install-requirements li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

.code-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    margin-right: var(--space-sm);
}

.code-badge-green {
    background: rgba(34, 197, 94, 0.2);
    color: var(--accent);
}

.install-note {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}

.install-note .note-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
}

.install-note .note-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
}

.install-note .note-content strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--space-xs);
}

.install-note .note-content p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: 1.5;
}

.install-advanced {
    margin-bottom: var(--space-xl);
}

.install-advanced summary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-weight: 600;
    color: var(--gray-700);
    transition: all var(--transition-base);
    list-style: none;
}

.install-advanced summary::-webkit-details-marker {
    display: none;
}

.install-advanced summary:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.install-advanced summary svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: transform var(--transition-base);
}

.install-advanced[open] summary svg {
    transform: rotate(180deg);
}

.install-advanced[open] summary {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border-bottom: none;
    background: var(--gray-100);
}

.install-advanced .code-block {
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .install-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .install-tab {
        justify-content: center;
    }

    .code-block pre {
        padding: var(--space-md);
    }

    .code-block code {
        font-size: var(--font-size-xs);
    }

    .install-requirements ul {
        flex-direction: column;
    }

    .install-note {
        flex-direction: column;
        text-align: center;
    }

    .install-note .note-icon {
        margin: 0 auto;
    }
}

/* ==========================================================================
   Screenshot Slideshow
   ========================================================================== */

.screenshot-slideshow {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--gray-900);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    /* Override browser-content grid layout */
    display: block;
    grid-column: 1 / -1;
    padding: 0;
    min-height: auto;
}

.browser-content.screenshot-slideshow {
    display: block;
}

.slideshow-container {
    position: relative;
    width: 100%;
}

.slide {
    display: none;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    display: block;
    opacity: 1;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.slide-caption {
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: var(--font-size-sm);
    text-align: center;
}

.slideshow-controls {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10;
}

.slide-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
}

.slide-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

.slide-dots {
    display: flex;
    gap: 8px;
}

.slide-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slide-dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

.slide-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* Responsive slideshow */
@media (max-width: 768px) {
    .slideshow-controls {
        bottom: 60px;
    }

    .slide-caption {
        font-size: var(--font-size-xs);
        padding: 8px 10px;
    }
}