/* ==========================================
   AI Agency - Main Stylesheet
   Modern Dark Theme with Stars
   ========================================== */

/* ==========================================
   CSS Custom Properties (Design Tokens)
   ========================================== */
:root {
    /* Colors */
    --color-primary: #6C63FF;
    --color-primary-light: #8B85FF;
    --color-primary-dark: #5046E5;
    --color-secondary: #00D4FF;
    --color-accent: #FF6B6B;
    --color-accent-coral: #FF8E8E;
    
    /* Background Colors */
    --bg-dark: #0a0a1a;
    --bg-darker: #050510;
    --bg-card: rgba(20, 20, 40, 0.7);
    --bg-card-hover: rgba(30, 30, 60, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8b8d1;
    --text-muted: #6b6b8d;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-secondary) 50%, var(--color-accent-coral) 100%);
    --gradient-bg: radial-gradient(ellipse at top, #1a1a3e 0%, var(--bg-dark) 50%, var(--bg-darker) 100%);
    --gradient-glow: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    
    /* Shadows */
    --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 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    
    /* Border */
    --border-glass: 1px solid rgba(255, 255, 255, 0.1);
    --border-glow: 1px solid rgba(108, 99, 255, 0.3);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    /* 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;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

ul {
    list-style: none;
}

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

button,
input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

/* ==========================================
   Utility Classes
   ========================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

/* ==========================================
   Stars Background
   ========================================== */
.stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.star {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    animation: twinkle var(--duration) ease-in-out infinite;
    animation-delay: var(--delay);
}

.star.shooting {
    width: 2px;
    height: 2px;
    background: linear-gradient(90deg, #fff, transparent);
    animation: shooting 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: var(--opacity);
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes shooting {
    0% {
        transform: translateX(0) translateY(0);
        opacity: 1;
    }
    70% {
        opacity: 1;
    }
    100% {
        transform: translateX(300px) translateY(300px);
        opacity: 0;
    }
}

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: var(--transition-base);
    background: transparent;
}

.header.scrolled {
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: var(--border-glass);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    z-index: 100;
}

.logo-icon {
    font-size: 1.75rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 4px var(--color-primary));
    }
    50% {
        transform: scale(1.1);
        filter: drop-shadow(0 0 12px var(--color-primary));
    }
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: 120px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: var(--space-sm) 0;
}

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

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

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

.nav-cta {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    cursor: pointer;
    z-index: 100;
}

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

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(108, 99, 255, 0.5);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-ghost {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: var(--gradient-glow);
    opacity: 0.3;
    filter: blur(100px);
    pointer-events: none;
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        opacity: 0.2;
        transform: translateX(-50%) scale(1);
    }
    50% {
        opacity: 0.4;
        transform: translateX(-50%) scale(1.1);
    }
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
    animation: fade-in-up 0.8s ease forwards;
}

.badge-icon {
    font-size: 1.1rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    animation: fade-in-up 0.8s ease 0.1s forwards;
    opacity: 0;
}

.title-line {
    display: block;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    animation: fade-in-up 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
    animation: fade-in-up 0.8s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    animation: fade-in-up 0.8s ease 0.4s forwards;
    opacity: 0;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--text-muted), transparent);
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating Cards */
.hero-visual {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    font-size: 0.875rem;
    font-weight: 500;
    animation: float 6s ease-in-out infinite;
}

.card-icon {
    font-size: 1.5rem;
}

.card-1 {
    top: 25%;
    left: 8%;
    animation-delay: 0s;
}

.card-2 {
    top: 40%;
    right: 8%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 25%;
    left: 12%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.mouse-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(10px);
    }
}

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

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

.section-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    position: relative;
    padding: var(--space-4xl) 0;
    z-index: 1;
}

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

.service-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    transition: var(--transition-base);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

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

.service-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1) 0%, var(--bg-card) 100%);
}

.featured-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    position: relative;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    color: var(--color-primary);
}

.icon-glow {
    position: absolute;
    inset: 0;
    background: var(--color-primary);
    border-radius: inherit;
    opacity: 0.2;
    filter: blur(15px);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-primary);
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
    z-index: 10;
    cursor: pointer;
}

.service-link:hover {
    color: var(--color-primary-light);
}

.service-link svg {
    transition: var(--transition-base);
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* ==========================================
   About Section
   ========================================== */
.about {
    position: relative;
    padding: var(--space-4xl) 0;
    z-index: 1;
}

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

.about-content {
    max-width: 600px;
}

.about-content .section-badge {
    margin-bottom: var(--space-lg);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-xl);
}

.about-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

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

.about-feature {
    display: flex;
    gap: var(--space-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.feature-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* About Visual */
.about-visual {
    position: relative;
}

.visual-card {
    position: relative;
    padding: var(--space-2xl);
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--gradient-glow);
    opacity: 0.3;
    filter: blur(80px);
    pointer-events: none;
}

.tech-stack {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    z-index: 1;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.tech-item:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
}

.tech-icon {
    font-size: 1.5rem;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    position: relative;
    padding: var(--space-4xl) 0;
    z-index: 1;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-2xl);
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    transition: var(--transition-base);
    cursor: pointer;
    text-decoration: none;
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.contact-card.whatsapp-card {
    border-color: rgba(37, 211, 102, 0.3);
}

.contact-card.whatsapp-card:hover {
    border-color: #25D366;
    box-shadow: 0 0 40px rgba(37, 211, 102, 0.3);
}

.contact-card.whatsapp-card .contact-card-icon {
    color: #25D366;
}

.contact-card.email-card {
    border-color: rgba(108, 99, 255, 0.3);
}

.contact-card.email-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 40px rgba(108, 99, 255, 0.3);
}

.contact-card.email-card .contact-card-icon {
    color: var(--color-primary);
}

.contact-card.telegram-card {
    border-color: rgba(0, 136, 204, 0.3);
}

.contact-card.telegram-card:hover {
    border-color: #0088cc;
    box-shadow: 0 0 40px rgba(0, 136, 204, 0.3);
}

.contact-card.telegram-card .contact-card-icon {
    color: #0088cc;
}

.contact-card-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
    transition: var(--transition-base);
}

.contact-card:hover .contact-card-icon {
    transform: scale(1.1);
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.contact-card-cta {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-base);
}

.contact-card.whatsapp-card:hover .contact-card-cta {
    background: #25D366;
    border-color: #25D366;
}

.contact-card.telegram-card:hover .contact-card-cta {
    background: #0088cc;
    border-color: #0088cc;
}

/* Floating Action Buttons */
.floating-buttons {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    z-index: 1000;
}

.fab {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-spring);
    text-decoration: none;
}

.fab:hover {
    transform: scale(1.1);
}

.fab-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.fab-whatsapp:hover {
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.fab-telegram {
    background: linear-gradient(135deg, #0088cc 0%, #0066aa 100%);
}

.fab-telegram:hover {
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.5);
}

.fab-tooltip {
    position: absolute;
    right: calc(100% + var(--space-md));
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
}

.fab:hover .fab-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Pulse animation for floating buttons */
.fab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: inherit;
    z-index: -1;
    animation: fab-pulse 2s ease-in-out infinite;
}

@keyframes fab-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* ==========================================
   Partners Section
   ========================================== */
.partners {
    position: relative;
    padding: var(--space-4xl) 0;
    z-index: 1;
    background: linear-gradient(180deg, transparent 0%, rgba(108, 99, 255, 0.03) 50%, transparent 100%);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.partner-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-2xl) var(--space-lg);
    background: var(--bg-card);
    border: var(--border-glass);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    transition: var(--transition-base);
    cursor: default;
}

.partner-card svg {
    color: var(--text-muted);
    opacity: 0.6;
    transition: var(--transition-base);
    filter: grayscale(100%);
}

.partner-card:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.partner-card:hover svg {
    color: var(--text-primary);
    opacity: 1;
    filter: grayscale(0%);
}

.partner-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition-base);
}

.partner-card:hover .partner-name {
    color: var(--text-primary);
}

.partners-note {
    text-align: center;
}

.partners-note p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    position: relative;
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--bg-darker);
    border-top: var(--border-glass);
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

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

.footer-column a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: var(--text-primary);
    padding-left: var(--space-sm);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: var(--border-glass);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom .heart {
    color: var(--color-accent);
    animation: heartbeat 1.5s ease-in-out infinite;
}

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

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
    
    .about-content {
        max-width: none;
        text-align: center;
    }
    
    .about-content .section-title {
        text-align: center;
    }
    
    .about-features {
        max-width: 500px;
        margin: 0 auto var(--space-2xl);
    }
    
    .about-feature {
        text-align: left;
    }
    
    .contact-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-brand {
        max-width: none;
        text-align: center;
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-dark);
        justify-content: center;
        align-items: center;
        gap: var(--space-2xl);
        z-index: 50;
    }
    
    .nav-links.active .nav-link {
        font-size: 1.5rem;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: calc(80px + var(--space-2xl)) 0 var(--space-3xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .floating-card {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-buttons {
        bottom: var(--space-lg);
        right: var(--space-lg);
    }
    
    .fab {
        width: 52px;
        height: 52px;
    }
    
    .fab svg {
        width: 24px;
        height: 24px;
    }
    
    .fab-tooltip {
        display: none;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .partner-card {
        padding: var(--space-lg);
    }
    
    .partner-card svg {
        width: 36px;
        height: 36px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
        text-align: center;
    }
    
    .footer-column:last-child {
        grid-column: span 2;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .tech-stack {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .service-card {
        padding: var(--space-xl);
    }
    
    .contact-card {
        padding: var(--space-xl);
    }
    
    .contact-card-icon {
        width: 64px;
        height: 64px;
    }
    
    .contact-card-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-column:last-child {
        grid-column: span 1;
    }
}

/* ==========================================
   Animation Classes for Intersection Observer
   ========================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* Hero Robots */
.hero-robots {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.hero-robot {
    position: absolute;
    opacity: 0.4;
    filter: blur(1px);
    transition: all 0.3s ease;
}

.hero-robot-1 {
    width: 300px;
    height: auto;
    top: 15%;
    right: 10%;
    animation: float-1 8s ease-in-out infinite;
}

.hero-robot-2 {
    width: 400px;
    height: auto;
    bottom: 10%;
    left: 5%;
    animation: float-2 10s ease-in-out infinite;
    opacity: 0.3;
}

@keyframes float-1 {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(2deg);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-40px) rotate(-3deg);
    }
}

/* Responsive styles for robots */
@media (max-width: 1024px) {
    .hero-robot-1 {
        width: 250px;
        right: 5%;
    }
    
    .hero-robot-2 {
        width: 350px;
        left: 0%;
    }
}

@media (max-width: 768px) {
    .hero-robot-1 {
        width: 180px;
        top: 10%;
        right: -5%;
        opacity: 0.25;
    }
    
    .hero-robot-2 {
        width: 250px;
        bottom: 5%;
        left: -10%;
        opacity: 0.2;
    }
}
/* Hero Video Background */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
    opacity: 0.8;
    filter: brightness(0.9) contrast(1.05);
}

.hero-video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 26, 0.4) 0%,
        rgba(26, 26, 46, 0.3) 50%,
        rgba(10, 10, 26, 0.4) 100%
    );
    z-index: 1;
    pointer-events: none;
}

/* Additional overlay to hide text on video */
.hero-video-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at center,
        transparent 0%,
        rgba(10, 10, 26, 0.2) 60%,
        rgba(10, 10, 26, 0.4) 100%
    );
}

/* Video Showcase Section */
.video-showcase {
    position: relative;
    padding: 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(26, 26, 46, 0.5) 100%);
    overflow: hidden;
}

.video-showcase-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.showcase-video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Responsive */
@media (max-width: 768px) {
    .video-showcase {
        padding: 0;
    }
}

/* Language Switcher */
.lang-divider {
    color: rgba(255, 255, 255, 0.3);
    margin: 0 5px;
    font-size: 0.8rem;
    pointer-events: none;
}

.lang-switch.active {
    color: var(--accent-color, #7000ff);
    font-weight: 700;
}

/* Language Dropdown */
.lang-dropdown {
    position: relative;
    margin-left: auto;
    margin-right: var(--space-xs);
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-glass);
    border: var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
    font-size: 0.9rem;
    font-weight: 500;
}

.lang-dropdown-btn:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.lang-dropdown-btn .dropdown-arrow {
    transition: var(--transition-base);
}

.lang-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.lang-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    min-width: 160px;
    background: rgba(20, 20, 40, 0.95);
    backdrop-filter: blur(12px);
    border: var(--border-glass);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

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

.lang-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.lang-dropdown-item:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.lang-dropdown-item.active {
    background: rgba(108, 99, 255, 0.1);
    color: var(--color-primary-light);
    font-weight: 600;
}

.lang-flag {
    font-size: 1.2rem;
    line-height: 1;
}

@media (max-width: 768px) {
    .lang-dropdown {
        margin: 15px auto;
    }
    
    .lang-dropdown-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ==========================================
   Hotel & AI Website Showcase Sections
   ========================================== */
.hotel-profitability,
.ai-website-showcase {
    padding: var(--space-4xl) 0;
    position: relative;
    z-index: 1;
}

.profitability-visual {
    margin-top: var(--space-3xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    border: var(--border-glass);
    background: var(--bg-card);
}

.profitability-visual img {
    width: 100%;
    height: auto;
    transition: var(--transition-slow);
    display: block;
}

.profitability-visual:hover img {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .hotel-profitability,
    .ai-website-showcase {
        padding: var(--space-2xl) 0;
    }
    
    .profitability-visual {
        margin-top: var(--space-xl);
        border-radius: var(--radius-lg);
    }
}