:root {
    --color-primary: #DC2626;
    --color-primary-dark: #B91C1C;
    --color-primary-light: #EF4444;
    --color-secondary: #DC2626;
    --color-accent: #F87171;
    --color-accent-light: #FCA5A5;
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a26;
    --color-bg-card: rgba(18, 18, 26, 0.9);
    --color-border: rgba(220, 38, 38, 0.15);
    --color-border-light: rgba(255, 255, 255, 0.05);
    --gradient-primary: linear-gradient(135deg, #DC2626 0%, #EF4444 50%, #F87171 100%);
    --gradient-secondary: linear-gradient(135deg, #F87171 0%, #DC2626 100%);
    --gradient-accent: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0f0f18 100%);
    --gradient-card: linear-gradient(145deg, rgba(220, 38, 38, 0.08) 0%, transparent 50%);
    --gradient-glow: radial-gradient(circle, rgba(220, 38, 38, 0.15) 0%, transparent 70%);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Orbitron', 'Space Grotesk', var(--font-primary);
    --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;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --container-width: 1200px;
    --header-height: 80px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.6);
    --shadow-2xl: 0 30px 80px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px rgba(220, 38, 38, 0.3);
    --shadow-glow-lg: 0 0 60px rgba(220, 38, 38, 0.4);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1)
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.02em
}

p {
    margin-bottom: var(--spacing-sm)
}

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

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

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

ul {
    list-style: none
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    contain: layout
}

.section {
    padding: var(--spacing-3xl) 0;
    contain: layout paint;
    position: relative
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.3), transparent)
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    position: relative;
    display: inline-block
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-glow)
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
    will-change: transform, box-shadow
}

.header.scrolled {
    box-shadow: 0 4px 30px rgba(220, 38, 38, 0.1)
}

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

.nav-brand a {
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast)
}

.nav-brand a:hover {
    transform: scale(1.05)
}

.brand-icon {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
    transition: all var(--transition-base);
    filter: drop-shadow(0 0 10px rgba(220, 38, 38, 0.3))
}

@media (max-width:768px) {
    .brand-icon {
        margin-top: -15px
    }
}

.brand-icon:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 20px rgba(220, 38, 38, 0.5))
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg)
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
    box-shadow: 0 0 10px rgba(220, 38, 38, 0.5)
}

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

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

.nav-toggle {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    will-change: transform
}

.hamburger,
.hamburger::before,
.hamburger::after {
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    border-radius: 2px
}

.hamburger {
    top: 50%;
    transform: translateY(-50%)
}

.hamburger::before,
.hamburger::after {
    content: ''
}

.hamburger::before {
    top: -8px
}

.hamburger::after {
    top: 8px
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
    contain: layout style paint
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-accent);
    z-index: -2
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(220, 38, 38, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(248, 113, 113, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(220, 38, 38, 0.05) 0%, transparent 70%),
        linear-gradient(rgba(220, 38, 38, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(220, 38, 38, 0.03) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 100% 100%, 60px 60px, 60px 60px;
    opacity: 0.8;
    will-change: transform;
    animation: gridPulse 8s ease-in-out infinite
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-shadow: 0 0 40px rgba(220, 38, 38, 0.3)
}

.title-line {
    display: block
}

.title-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(220, 38, 38, 0.4))
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    will-change: transform;
    position: relative;
    overflow: hidden
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base)
}

.stat-item:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: rgba(220, 38, 38, 0.3)
}

.stat-item:hover::before {
    opacity: 1
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display)
}

.stat-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    will-change: transform;
    text-transform: uppercase;
    letter-spacing: 0.05em
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.15) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease
}

.btn:hover::before {
    transform: translateX(100%)
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.4);
    border: none
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 35px rgba(220, 38, 38, 0.5);
    color: white
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.01)
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.1)
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.3);
    transform: translateY(-3px)
}

.btn-full {
    width: 100%
}

/* Features Section */
.features {
    background: var(--color-bg-primary)
}

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

.feature-card {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    will-change: transform;
    contain: layout paint;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px)
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5)
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base)
}

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

.feature-card:hover::after {
    opacity: 1
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow-lg);
    border-color: rgba(220, 38, 38, 0.3)
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(220, 38, 38, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1
}

.feature-icon img {
    width: 40px;
    height: 40px;
    display: block;
    transition: all var(--transition-base);
    filter: brightness(0) saturate(100%) invert(25%) sepia(98%) saturate(2256%) hue-rotate(343deg) brightness(91%) contrast(95%) drop-shadow(0 0 10px rgba(220, 38, 38, 0.4))
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(220, 38, 38, 0.2);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.3)
}

.feature-card:hover .feature-icon img {
    filter: brightness(0) saturate(100%) invert(25%) sepia(98%) saturate(2256%) hue-rotate(343deg) brightness(91%) contrast(95%) drop-shadow(0 0 20px rgba(220, 38, 38, 0.6))
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
    position: relative;
    z-index: 1
}

.feature-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    position: relative;
    z-index: 1
}

.feature-list {
    list-style: none;
    padding-left: 0;
    position: relative;
    z-index: 1
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm)
}

.feature-list li::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 0.6em;
    top: 50%;
    transform: translateY(-50%)
}

/* Solutions Section */
.solutions {
    background: var(--color-bg-secondary)
}

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

.solution-item {
    background: var(--color-bg-card);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
    will-change: transform;
    contain: layout paint;
    backdrop-filter: blur(20px)
}

.solution-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none
}

.solution-item:hover::before {
    opacity: 0.5
}

.solution-item:hover {
    box-shadow: var(--shadow-glow-lg);
    transform: translateY(-10px);
    border-color: rgba(220, 38, 38, 0.3)
}

.solution-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex: 1;
    position: relative;
    z-index: 1
}

.solution-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.solution-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8
}

.solution-benefits {
    list-style: none;
    margin-bottom: var(--spacing-lg)
}

.solution-benefits li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary)
}

.solution-benefits li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold
}

.solution-link {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-fast);
    margin-top: auto;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-sm)
}

.solution-link:hover {
    transform: translateX(8px);
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(220, 38, 38, 0.5)
}

/* Technology Section */
.technology {
    background: var(--color-bg-primary)
}

.tech-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg)
}

.tech-item {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    will-change: transform;
    backdrop-filter: blur(20px)
}

.tech-item::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-base)
}

.tech-item:hover::before {
    opacity: 0.5
}

.tech-item:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
    border-color: rgba(220, 38, 38, 0.3)
}

.tech-name {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1
}

.tech-desc {
    color: var(--color-text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1
}

/* Insights Section */
.insights {
    background: var(--color-bg-secondary)
}

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

.insight-card {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    will-change: transform;
    backdrop-filter: blur(20px)
}

.insight-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 0;
    background: var(--gradient-primary);
    opacity: 0.05;
    transition: height var(--transition-base)
}

.insight-card:hover::before {
    height: 100%
}

.insight-card:hover {
    box-shadow: var(--shadow-glow-lg);
    transform: translateY(-10px);
    border-color: rgba(220, 38, 38, 0.3)
}

.insight-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1
}

.insight-category {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: white;
    background: var(--gradient-primary);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 15px rgba(220, 38, 38, 0.3);
    letter-spacing: 0.05em
}

.insight-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500
}

.insight-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1
}

.insight-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
    position: relative;
    z-index: 1
}

.insight-link {
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--font-size-sm)
}

.insight-link:hover {
    transform: translateX(8px);
    color: var(--color-accent)
}

/* Contact Section */
.contact {
    background: var(--color-bg-primary)
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center
}

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

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md)
}

.contact-detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
    transition: all var(--transition-base);
    backdrop-filter: blur(20px)
}

.contact-detail-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
    border-left-width: 5px
}

.contact-detail-item strong {
    color: var(--color-text-primary);
    font-weight: 600
}

.contact-detail-item a {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    font-weight: 500
}

.contact-form {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px)
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    position: relative;
    overflow: hidden
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(220, 38, 38, 0.5), transparent)
}

.footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 200px;
    background: radial-gradient(ellipse, rgba(220, 38, 38, 0.1) 0%, transparent 70%);
    pointer-events: none
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1
}

.footer-logo-link {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-fast)
}

.footer-logo-link:hover {
    transform: scale(1.05)
}

.footer-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
    transition: all var(--transition-base);
    filter: drop-shadow(0 0 15px rgba(220, 38, 38, 0.4))
}

.footer-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 25px rgba(220, 38, 38, 0.6))
}

.footer-description {
    color: var(--color-text-secondary);
    line-height: 1.8
}

.footer-heading {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em
}

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

.footer-links a {
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    padding-left: 0;
    position: relative;
    display: inline-block
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: -1.25rem;
    opacity: 0;
    transition: all var(--transition-fast);
    color: var(--color-primary)
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 1.25rem
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1
}

.footer-bottom p {
    color: var(--color-text-secondary);
    margin: 0
}

/* Testimonials */
.testimonials {
    background: var(--color-bg-primary)
}

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

.testimonial-card {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    will-change: transform;
    contain: layout paint;
    backdrop-filter: blur(20px)
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: var(--gradient-primary);
    opacity: 0.03;
    transition: height var(--transition-base)
}

.testimonial-card:hover::before {
    height: 100%
}

.testimonial-card:hover {
    box-shadow: var(--shadow-glow-lg);
    transform: translateY(-10px);
    border-color: rgba(220, 38, 38, 0.3)
}

.testimonial-stars {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1
}

.star {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.2);
    transition: all var(--transition-fast)
}

.star.filled {
    color: #fbbf24;
    text-shadow: 0 0 10px rgba(251, 191, 36, 0.5)
}

.star.half {
    background: linear-gradient(90deg, #fbbf24 50%, rgba(255, 255, 255, 0.2) 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text
}

.rating-number {
    margin-left: var(--spacing-xs);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary)
}

.testimonial-text {
    font-size: var(--font-size-base);
    line-height: 1.9;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
    position: relative;
    z-index: 1;
    padding-left: var(--spacing-md);
    border-left: 3px solid var(--color-primary)
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1
}

.author-avatar {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    font-family: var(--font-display);
    flex-shrink: 0;
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.3);
    transition: all var(--transition-base)
}

.testimonial-card:hover .author-avatar {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.5)
}

.author-info {
    display: flex;
    flex-direction: column
}

.author-name {
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-bottom: 0.125rem
}

.author-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted)
}

/* Nav Onion Button */
.nav-onion-button {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    font-size: var(--font-size-sm);
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(220, 38, 38, 0.4);
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
    margin-left: var(--spacing-md);
    will-change: transform, box-shadow
}

.nav-onion-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease
}

.nav-onion-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 30px rgba(220, 38, 38, 0.5);
    color: white
}

.nav-onion-button:hover::before {
    transform: translateX(100%)
}

/* Onion Link Section */
.onion-link-column {
    display: flex;
    flex-direction: column;
    height: 100%
}

.onion-link-column > a {
    margin-top: auto
}

/* Language Switcher */
.lang-switcher {
    position: relative;
    margin-left: var(--spacing-md);
    z-index: 9999
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    min-width: 90px;
    backdrop-filter: blur(20px)
}

.lang-switcher-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.2)
}

.lang-switcher-btn .lang-flag {
    font-size: 1.2em;
    line-height: 1
}

.lang-switcher-btn .lang-arrow {
    margin-left: auto;
    transition: transform var(--transition-fast);
    font-size: 0.7em
}

.lang-switcher.open .lang-arrow {
    transform: rotate(180deg)
}

.lang-dropdown {
    position: fixed;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 99999;
    max-height: 300px;
    overflow-y: auto;
    backdrop-filter: blur(20px)
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0)
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--color-border)
}

.lang-option:last-child {
    border-bottom: none
}

.lang-option:hover {
    background: rgba(220, 38, 38, 0.1);
    color: var(--color-primary)
}

.lang-option.active {
    background: rgba(220, 38, 38, 0.15);
    color: var(--color-primary);
    font-weight: 600
}

.lang-option .lang-flag {
    font-size: 1.4em
}

.lang-option .lang-name {
    flex: 1
}

/* Scroll to top */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(220, 38, 38, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px) scale(0.8);
    transition: all var(--transition-base);
    z-index: 999;
    will-change: transform, opacity
}

.scroll-to-top::before {
    content: '↑';
    font-size: var(--font-size-2xl);
    font-weight: bold;
    line-height: 1
}

.scroll-to-top:hover {
    transform: translateY(0) scale(1.1);
    box-shadow: 0 0 50px rgba(220, 38, 38, 0.6)
}

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

/* Guide steps */
.guide-step {
    background: var(--color-bg-card);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    overflow: hidden;
    border: 1px solid var(--color-border);
    position: relative;
    backdrop-filter: blur(20px)
}

.guide-step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base)
}

.guide-step:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow-lg);
    border-color: rgba(220, 38, 38, 0.3)
}

.guide-step:hover::before {
    opacity: 1
}

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

.guide-step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg)
}

.guide-step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    font-family: var(--font-display);
    box-shadow: 0 0 25px rgba(220, 38, 38, 0.4);
    flex-shrink: 0;
    transition: all var(--transition-base)
}

.guide-step:hover .guide-step-number {
    transform: scale(1.1);
    box-shadow: 0 0 40px rgba(220, 38, 38, 0.6)
}

.guide-step-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
    line-height: 1.3
}

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

.guide-info-box {
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    transition: all var(--transition-base)
}

.guide-info-box.info {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid #3b82f6
}

.guide-info-box.warning {
    background: rgba(245, 158, 11, 0.1);
    border-left: 4px solid #f59e0b
}

.guide-info-box.security {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid #10b981
}

/* Mobile Responsive */
@media (max-width:768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.5rem;
        --spacing-3xl: 4rem
    }

    .header {
        contain: none !important;
        overflow: visible !important
    }

    .nav-container {
        position: static !important;
        overflow: visible !important
    }

    .nav-menu {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        padding: var(--spacing-3xl) var(--spacing-lg) !important;
        flex-direction: column;
        background: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
        z-index: 10000 !important;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        gap: 0;
        justify-content: flex-start;
        align-items: stretch;
        overflow-y: auto;
        padding-top: calc(var(--header-height) + var(--spacing-xl));
        padding-bottom: var(--spacing-xl)
    }

    .nav-menu.active {
        transform: translateY(0) !important;
        opacity: 1;
        visibility: visible
    }

    .nav-menu li {
        width: 100%;
        max-width: 500px;
        margin: 0 auto var(--spacing-md) auto;
        animation: slideInDown 0.4s ease-out backwards
    }

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

    .nav-link {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: var(--font-size-xl);
        text-align: center;
        color: var(--color-text-primary);
        background: var(--color-bg-card);
        border-radius: var(--radius-lg);
        border: 1px solid var(--color-border);
        transition: all var(--transition-base);
        font-weight: 600;
        width: 100%;
        min-height: 56px
    }

    .nav-link:hover {
        background: rgba(220, 38, 38, 0.1);
        border-color: var(--color-primary);
        color: var(--color-primary)
    }

    .nav-link::after {
        display: none
    }

    .nav-onion-button {
        margin: var(--spacing-md) auto 0 auto;
        width: 100%;
        max-width: 500px;
        text-align: center;
        justify-content: center;
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: var(--font-size-xl);
        min-height: 56px
    }

    .nav-toggle {
        display: block;
        z-index: 10001;
        position: relative
    }

    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%
    }

    .nav-toggle[aria-expanded="true"] .hamburger {
        background: transparent
    }

    .nav-toggle[aria-expanded="true"] .hamburger::before {
        transform: translateY(0) rotate(45deg);
        top: 0;
        background: var(--color-primary)
    }

    .nav-toggle[aria-expanded="true"] .hamburger::after {
        transform: translateY(0) rotate(-45deg);
        top: 0;
        background: var(--color-primary)
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--spacing-2xl));
        padding-bottom: var(--spacing-3xl)
    }

    .hero-actions {
        flex-direction: column
    }

    .btn {
        width: 100%
    }

    .hero-stats {
        gap: var(--spacing-lg)
    }

    .features-grid,
    .solutions-grid,
    .tech-showcase,
    .insights-grid,
    .testimonials-grid {
        grid-template-columns: 1fr
    }

    .contact-wrapper {
        grid-template-columns: 1fr
    }

    .footer-content {
        grid-template-columns: 1fr
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center
    }

    .lang-switcher {
        position: fixed;
        top: var(--spacing-md);
        right: 60px;
        z-index: 10002
    }

    .lang-switcher-btn {
        padding: 0.4rem 0.6rem;
        min-width: auto;
        font-size: var(--font-size-xs)
    }

    .lang-switcher-btn .lang-code {
        display: none
    }

    .lang-dropdown {
        position: fixed;
        top: 55px;
        right: var(--spacing-md)
    }
}

@media (max-width:480px) {
    .container {
        padding: 0 var(--spacing-md)
    }

    .hero-title {
        font-size: 2rem
    }

    .section-title {
        font-size: var(--font-size-3xl)
    }
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px
}

/* Auto date */
.auto-date {
    font-weight: 600
}

.links-verified-date {
    color: var(--color-primary)
}

/* Onion cards */
.onion-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl)
}

.onion-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    backdrop-filter: blur(20px)
}

.onion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base)
}

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

.onion-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow-lg);
    border-color: rgba(220, 38, 38, 0.3)
}

.onion-url-container {
    background: var(--color-bg-tertiary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
    transition: all var(--transition-fast)
}

.onion-url-container:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.2)
}

.onion-url-display {
    font-family: 'Courier New', Courier, monospace;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    word-break: break-all;
    user-select: all;
    line-height: 1.5;
    font-weight: 600
}

.btn-access {
    flex: 1;
    background: var(--gradient-primary);
    color: white;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem
}

.btn-access:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(220, 38, 38, 0.5);
    color: white
}

.btn-copy {
    background: transparent;
    color: var(--color-primary);
    padding: 0.875rem 1.5rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer
}

.btn-copy:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.3)
}

.btn-copy.copied {
    background: #10b981;
    border-color: #10b981;
    color: white
}

.copy-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition-base);
    z-index: 10000;
    pointer-events: none
}

.copy-toast.show {
    opacity: 1;
    transform: translateY(0)
}

.copy-toast::before {
    content: '✓';
    font-size: var(--font-size-2xl)
}