/* ===================================
   CUSTOM PROPERTIES / DESIGN TOKENS
   =================================== */
:root {
    /* Color Palette - Dark Theme with Vibrant Accents */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #13131a;
    --color-bg-tertiary: #1a1a24;
    
    --color-text-primary: #f8f9fa;
    --color-text-secondary: #b8bcc8;
    --color-text-tertiary: #8b90a0;
    
    --color-accent-primary: #6366f1;
    --color-accent-secondary: #8b5cf6;
    --color-accent-tertiary: #ec4899;
    
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --gradient-mesh: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.3) 0, transparent 50%),
                     radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.3) 0, transparent 50%),
                     radial-gradient(at 100% 100%, rgba(236, 72, 153, 0.3) 0, transparent 50%),
                     radial-gradient(at 0% 100%, rgba(59, 130, 246, 0.3) 0, transparent 50%);
    
    /* Spacing System (8px base) */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
    --space-2xl: 64px;
    --space-3xl: 80px;
    --space-4xl: 120px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 40px;
    --font-size-4xl: 56px;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    
    /* Layout */
    --container-max-width: 1440px;
    --container-padding-mobile: 24px;
    --container-padding-tablet: 48px;
    --container-padding-desktop: 80px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);
    --shadow-glow-strong: 0 0 40px rgba(99, 102, 241, 0.6);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection styling */
::selection {
    background-color: var(--color-accent-primary);
    color: white;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--color-accent-primary);
    outline-offset: 4px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent-primary);
    color: white;
    text-decoration: none;
    border-radius: 0 0 var(--radius-md) 0;
    z-index: var(--z-tooltip);
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
}

h1 {
    font-size: clamp(40px, 8vw, 56px);
}

h2 {
    font-size: clamp(28px, 5vw, 40px);
}

h3 {
    font-size: clamp(20px, 3vw, 24px);
}

p {
    line-height: var(--line-height-relaxed);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

/* ===================================
   LAYOUT UTILITIES
   =================================== */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--container-padding-mobile);
    padding-right: var(--container-padding-mobile);
}


/* ===================================
   GLASSMORPHISM CARD EFFECT
   =================================== */
.glass-card {
    background: rgba(26, 26, 36, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.contact-form:hover {
    transform: none;
}

/* ===================================
   GRADIENT TEXT
   =================================== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 16px 32px;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow-strong);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* ===================================
   HEADER / NAVIGATION
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-base);
}

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

.logo-bracket {
    color: var(--color-accent-primary);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

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

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

.header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.header-icon:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-accent-primary);
    transform: translateY(-2px);
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: var(--z-modal);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* ===================================
   STICKY CTA BUTTON
   =================================== */
.sticky-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 16px 24px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
}

.sticky-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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


/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) 0 var(--space-3xl);
    overflow: hidden;
}

/* Animated background */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.gradient-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: rgba(99, 102, 241, 0.4);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 600px;
    height: 600px;
    background: rgba(139, 92, 246, 0.4);
    top: 50%;
    right: -200px;
    animation-delay: -7s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: rgba(236, 72, 153, 0.4);
    bottom: -150px;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-container {
    position: relative;
    z-index: var(--z-base);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}


.hero-content {
    max-width: 700px;
}


.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-success);
    margin-bottom: var(--space-md);
}


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

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

.hero-title {
    margin-bottom: var(--space-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
    min-height: 5.5em;
}


.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}


.hero-quick-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}


.quick-links-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.quick-links-icons {
    display: flex;
    gap: var(--space-sm);
}

.quick-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.quick-link:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Мобильная версия изображения внутри hero-content */
.hero-image-mobile {
    display: none;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    aspect-ratio: 1;
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 2;
}

.profile-placeholder svg {
    width: 40%;
    height: 40%;
    color: white;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 2;
}

.profile-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.25;
    z-index: 1;
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.2;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

/* Floating badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 10px 16px;
    background: rgba(26, 26, 36, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: float-badge 6s ease-in-out infinite;
}

.badge-1 {
    top: 10%;
    left: -10%;
    color: #61dafb;
}

.badge-2 {
    top: 50%;
    right: -5%;
    color: #68a063;
}

.badge-3 {
    bottom: 15%;
    left: -5%;
    color: var(--color-accent-primary);
}

.code-bracket {
    font-family: var(--font-mono);
    font-size: 18px;
}

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

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-10px);
    }
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-tertiary);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-text-tertiary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ===================================
   SECTION COMMON STYLES
   =================================== */
section {
    padding: var(--space-3xl) 0;
}

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

.section-label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

.section-title {
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    background: var(--color-bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}


.service-card {
    padding: var(--space-xl);
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 0;
}

.service-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-accent-primary);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.service-icon svg {
    width: 48px;
    height: 48px;
}

.service-icon-ai {
    background: rgba(139, 92, 246, 0.1);
    color: var(--color-accent-secondary);
}

.service-icon-automation {
    background: rgba(236, 72, 153, 0.1);
    color: var(--color-accent-tertiary);
}

.service-icon-telegram {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card-accent {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.service-card-accent:hover {
    border-color: rgba(99, 102, 241, 0.6);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.service-title {
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-xl);
    min-height: 3em;
    display: flex;
    align-items: flex-start;
}

.service-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.service-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.service-features svg {
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

/* ===================================
   PROCESS / TIMELINE SECTION
   =================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 40px;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, 
        var(--color-accent-primary) 0%, 
        var(--color-accent-secondary) 50%, 
        var(--color-accent-tertiary) 100%);
    opacity: 0.3;
}


.timeline-item {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}


.timeline-number {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    box-shadow: 0 0 0 8px rgba(99, 102, 241, 0.1);
    z-index: var(--z-base);
}


.timeline-content {
    padding: var(--space-lg);
    background: rgba(26, 26, 36, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: var(--shadow-glow);
}


.timeline-title {
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
}

.timeline-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-accent-primary);
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    background: var(--color-bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}


.testimonial-card {
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    position: relative;
    overflow: hidden;
}

.testimonial-card:hover {
    transform: translateY(-4px) rotate(0.5deg);
}

.quote-icon {
    position: absolute;
    top: 20px;
    right: 20px;
}

.testimonial-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.author-info {
    flex-grow: 1;
}

.author-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: 2px;
}

.author-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: 4px;
}

.project-name {
    font-size: var(--font-size-xs);
    color: var(--color-accent-primary);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    max-width: 1100px;
    margin: 0 auto;
}


/* Contact Form */
.contact-form {
    padding: var(--space-xl);
    position: relative;
}

.form-badge-mobile {
    display: none;
}


.form-group {
    margin-bottom: var(--space-xs);
    position: relative;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    transition: color var(--transition-base);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    color: var(--color-accent-primary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: 4px;
    min-height: 18px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-sm);
}

/* Form Success Message */
.form-success {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: var(--space-xl);
    background: rgba(26, 26, 36, 0.95);
    border-radius: var(--radius-lg);
    z-index: 10;
}

.form-success.active {
    display: block;
    animation: successFadeIn 0.5s ease-out;
}

@keyframes successFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.form-success svg {
    color: var(--color-success);
    margin-bottom: var(--space-sm);
}

.form-success h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-xs);
}

.form-success p {
    color: var(--color-text-secondary);
}

/* Form Error Message */
.form-error-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: var(--space-xl);
    background: rgba(26, 26, 36, 0.95);
    border: 2px solid var(--color-error);
    border-radius: var(--radius-lg);
    z-index: 10;
    animation: errorShake 0.5s ease-out;
}

@keyframes errorShake {
    0%, 100% {
        transform: translate(-50%, -50%);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translate(-48%, -50%);
    }
    20%, 40%, 60%, 80% {
        transform: translate(-52%, -50%);
    }
}

.form-error-message svg {
    color: var(--color-error);
    margin-bottom: var(--space-sm);
}

.form-error-message h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-xs);
    color: var(--color-error);
}

.form-error-message p {
    color: var(--color-text-secondary);
}

/* Alternative Contact Methods */
.contact-alternative {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.alternative-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.contact-method {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(99, 102, 241, 0.3);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-accent-primary);
    flex-shrink: 0;
}

.method-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.method-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.method-value {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: 500;
    transition: color var(--transition-base);
}

.method-value:hover {
    color: var(--color-accent-primary);
}

.copy-btn {
    position: absolute;
    top: 0;
    right: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.copy-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.copy-btn.copied {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--color-success);
    color: var(--color-success);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
    transform: translateY(-2px);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-2xl) 0 var(--space-md);
    position: relative;
}

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

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}


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

.footer-logo {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.footer-tagline {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-nav a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

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

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

.footer-social-link:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--color-accent-primary);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}


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

.footer-copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer-legal-info {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    opacity: 0.7;
    text-align: center;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    transition: color var(--transition-base);
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 36, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
}

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

.back-to-top:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

/* ===================================
   ANIMATION UTILITIES
   =================================== */
.fade-in {
    opacity: 0 !important;
    transform: translateY(30px) !important;
    transition: opacity 1s ease-out, transform 1s ease-out !important;
}

.fade-in.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Специальная анимация для timeline - плавное появление с каскадом */
.timeline-item.fade-in {
    opacity: 0 !important;
    transform: scale(0.95) !important;
    transition: opacity 1s ease-out, transform 1s ease-out !important;
}

.timeline-item.fade-in.visible {
    opacity: 1 !important;
    transform: scale(1) !important;
}

/* Задержки для каждого элемента timeline через CSS */
.timeline .timeline-item.fade-in:nth-of-type(1) {
    transition-delay: 0s !important;
}

.timeline .timeline-item.fade-in:nth-of-type(2) {
    transition-delay: 0.2s !important;
}

.timeline .timeline-item.fade-in:nth-of-type(3) {
    transition-delay: 0.4s !important;
}

.timeline .timeline-item.fade-in:nth-of-type(4) {
    transition-delay: 0.6s !important;
}

/* ===================================
   CONFETTI CANVAS
   =================================== */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: var(--z-modal);
}

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

/* TABLET AND UP (min-width: 768px) */
@media (min-width: 768px) {
    /* Container */
    .container {
        padding-left: var(--container-padding-tablet);
        padding-right: var(--container-padding-tablet);
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Timeline */
    .timeline-line {
        left: 50%;
        transform: translateX(-50%);
    }

    .timeline-item:nth-child(even) {
        grid-template-columns: 1fr auto 1fr;
    }
    
    .timeline-item:nth-child(odd) {
        grid-template-columns: 1fr auto 1fr;
    }

    .timeline-item:nth-child(odd) .timeline-number {
        grid-column: 2;
    }
    
    .timeline-item:nth-child(even) .timeline-number {
        grid-column: 2;
    }

    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 3;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        grid-column: 1;
    }

    /* Testimonials Grid */
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Footer */
    .footer-main {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}


/* DESKTOP (min-width: 1024px) */
@media (min-width: 1024px) {
    /* Container */
    .container {
        padding-left: var(--container-padding-desktop);
        padding-right: var(--container-padding-desktop);
    }

    /* Hero */
    .hero-container {
        grid-template-columns: 1.2fr 1fr;
    }

    /* Services Grid */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Testimonials Grid */
    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Contact Wrapper */
    .contact-wrapper {
        grid-template-columns: 1.5fr 1fr;
    }
}

@media (min-width: 1270px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* MOBILE (max-width: 768px) */
@media (max-width: 768px) {
    /* Typography Variables */
    :root {
        --font-size-4xl: 40px;
        --font-size-3xl: 32px;
        --font-size-2xl: 24px;
    }

    /* Sections */
    section {
        padding: var(--space-2xl) 0;
    }
    
    .header {
        padding: var(--space-sm) 0;
    }

    /* Hero */
    .hero {
        min-height: auto;
        padding: 90px 0 var(--space-2xl);
    }

    .floating-badge {
        display: none;
    }

    /* Navigation */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        padding: var(--space-3xl) var(--space-lg);
        transition: right var(--transition-base);
        z-index: var(--z-fixed);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .nav-link {
        font-size: var(--font-size-lg);
    }

    .header-contact,
    .header-icon {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    /* Sticky CTA */
    .sticky-cta span {
        display: none;
    }

    .sticky-cta {
        padding: 16px;
        border-radius: var(--radius-full);
    }

    /* Buttons */
    .btn {
        padding: 12px 24px;
    }
}

/* MOBILE AND TABLET (max-width: 1023px) */
@media (max-width: 1023px) {
    /* Hero Layout */
    .hero-container {
        display: flex;
        flex-direction: column;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
    }

    /* Hero Badge - Hide in hero, show in form */
    .hero-badge {
        display: none;
    }

    /* Hero Elements Order */
    .hero-subtitle {
        order: 1;
    }

    .hero-cta {
        order: 3;
    }

    .hero-quick-links {
        order: 4;
    }

    /* Hero Image Mobile */
    .hero-container > .hero-image {
        display: none;
    }
    
    .hero-image-mobile {
        display: flex;
        margin: var(--space-xl) 0;
        order: 2;
    }

    /* Form Badge Mobile */
    .form-badge-mobile {
        display: inline-flex;
        align-items: center;
        gap: var(--space-xs);
        padding: 8px 16px;
        background: rgba(16, 185, 129, 0.1);
        border: 1px solid rgba(16, 185, 129, 0.3);
        border-radius: var(--radius-full);
        font-size: var(--font-size-sm);
        color: var(--color-success);
        margin-bottom: var(--space-md);
    }
}

@media (max-width: 460px) {
    .hero-title {
        font-size: 32px;
        order: 1;
    }
    .hero-subtitle {
        font-size: 14px;
        margin-bottom: var(--space-sm);
        order: 3;
    }
    .hero-image-mobile {
        margin: var(--space-md);
        order: 2;
    }
    .timeline-number {
        width: 50px;
        height: 50px;
    }
    .timeline-number span {
        font-size: 18px;
    }
    .timeline-line {
        left: 25px;
    }
}

@media (max-width: 390px) {
    .hero-image-mobile {
        margin: var(--space-sm);
    }
    .hero-cta {
        margin-bottom: var(--space-md);
    }
    .hero-subtitle {
        min-height: 7em;
    }
    .contact-form {
        padding: var(--space-md);
    }
}

@media (max-width: 375px) {
    .btn {
        padding: 10px 24px;
    }
    .btn span {
        font-size: 14px;
    }
    section {
        padding: var(--space-xl) 0;
    }
    .section-header {
        margin-bottom: var(--space-lg);
    }
    .section-label {
        font-size: 12px;
    }
    .section-title {
        font-size: 24px;
    }
    .section-subtitle {
        font-size: 14px;
    }
    .hero-title {
        font-size: 28px;
    }
    .hero-subtitle {
        font-size: 12px;
    }   
    .quick-links-label {
        font-size: 12px;
    }
    .service-title {
        font-size: 18px;
    }
    .service-card {
        padding: var(--space-md);
    }
    .service-icon {
        height: 50px;
        width: 50px;
    }
    .service-icon svg {
        width: 28px;
        height: 28px;
    }
    .service-description {
        font-size: 14px;
    }
    .timeline-item {
        gap: var(--space-sm);
    }
    .timeline-content {
        padding: var(--space-md);
    }
    .timeline-title {
        font-size: 16px;   
    }
    .timeline-description {
        font-size: 14px;
    }
    .timeline-number {
        width: 35px;
        height: 35px;
    }
    .timeline-number span {
        font-size: 16px;
    }
    .timeline-line {
        left: 18px;
    }
    .testimonial-text {
        font-size: 14px;
    }
    .author-avatar {
        width: 32px;
        height: 32px;
    }
    .author-avatar span {
        font-size: 12px;
    }
    .author-info p {
        font-size: 12px;
    }
    .author-info h4 {
        font-size: 14px;
    }
    .contact-form {
        padding: var(--space-sm);
    }
    .form-input {
        padding: 8px 12px;
        font-size: 14px;
    }
    .form-label {
        font-size: 12px;
    }
    .form-badge-mobile {
        font-size: 12px;
        padding: 6px 12px;
    }
    .contact-method {
        gap: var(--space-sm);
        padding: var(--space-sm);
    }
    .method-content a {
        font-size: 14px;
    }
    .method-content .copy-btn {
        display: none;
    }
    .back-to-top {
        width: 36px;
        height: 36px;
    }
    .sticky-cta {
        height: 36px;
    }
}

@media (max-width: 360px) {
    .hero-cta a:nth-child(2) {
        display: none;
    }
    .method-content a {
        font-size: 13px;
    }
}


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

    .gradient-blob,
    .floating-badge,
    .scroll-indicator {
        animation: none;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .header,
    .sticky-cta,
    .back-to-top,
    .hamburger,
    .scroll-indicator,
    .floating-badge {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .glass-card {
        background: white;
        border: 1px solid #ccc;
    }
}