/* AppToGo Landing Page Styles - Яркий молодежный дизайн */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800;900&family=Space+Grotesk:wght@400;600;700&display=swap');

:root {
    /* Яркие цвета в стиле граффити */
    --primary-color: #FF6B35;
    --primary-dark: #E85A2B;
    --primary-light: #FF8C5A;
    --secondary-color: #00D9FF;
    --secondary-dark: #00B8D4;
    --accent-1: #FFD93D;
    --accent-2: #6BCF7F;
    --accent-3: #9B59B6;
    --accent-4: #E74C3C;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF8C5A 50%, #FFD93D 100%);
    --gradient-secondary: linear-gradient(135deg, #00D9FF 0%, #6BCF7F 50%, #9B59B6 100%);
    --gradient-hero: linear-gradient(135deg, #1a1a2e 0%, #16213e 25%, #0f3460 50%, #533483 75%, #e94560 100%);
    --gradient-rainbow: linear-gradient(90deg, #FF6B35, #FFD93D, #6BCF7F, #00D9FF, #9B59B6, #E74C3C);
    --gradient-dark: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 100%);
    
    /* Нейтральные */
    --light-color: #f8f9fa;
    --dark-color: #0f0f23;
    --text-light: rgba(255, 255, 255, 0.95);
    --text-muted: rgba(255, 255, 255, 0.7);
    
    /* Эффекты */
    --border-radius: 16px;
    --border-radius-large: 24px;
    --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    --box-shadow-glow: 0 0 30px rgba(255, 107, 53, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: #ffffff;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Типографика */
.text-gradient {
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-bounce);
    background: var(--gradient-primary);
    color: white;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

.btn-primary {
    background: var(--gradient-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.btn-secondary:hover {
    background: var(--primary-color);
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 3px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid rgba(255, 107, 53, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 28px;
    font-weight: 900;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -1px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(255, 107, 53, 0.3));
    transition: var(--transition-bounce);
 /*   animation: logo-float 3s ease-in-out infinite; */
}

@keyframes logo-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(2deg); }
}

.nav-brand:hover .logo-img {
    transform: translateY(-3px) scale(1.1) rotate(-5deg);
    filter: drop-shadow(0 6px 12px rgba(255, 107, 53, 0.5));
}

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

.logo-text b {
    display: none;
}

.nav-brand b {
    font-weight: 900;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(107, 207, 127, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 10px 0;
}

.hero-overlay > .container {
    padding: 10vw 20px 10px;
}

.hero-content {
    animation: slideInLeft 1s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    max-width: 800px;
    position: relative;
    width: 90vw;
}

.hero-logo-container {
    text-align: center;
    margin-bottom: 30px;
    animation: fadeInDown 1s ease 0.3s both;
    position: absolute;
  right: -5vw;
  z-index: 1;
  top: -5vw;
}

.hero-logo {
    max-width: 300px;
    width: 35vw;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.623));
    animation: logo-pulse 4s ease-in-out infinite;
    transition: var(--transition-bounce);
}

@keyframes logo-pulse {
    0%, 100% { 
        transform: scale(1);
  /*      filter: drop-shadow(0 10px 30px rgba(255, 107, 53, 0.4));*/
    }
    50% { 
        transform: scale(1.05);
  /*      filter: drop-shadow(0 15px 40px rgba(255, 107, 53, 0.6));*/
    }
}

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

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--text-light);
    font-family: 'Space Grotesk', sans-serif;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: -2px;
}

.hero-title .text-gradient {
    display: block;
    margin-top: 10px;
    font-size: 72px;
}

.hero-description {
    font-size: 22px;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.6;
    font-weight: 400;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 2rem 0;
    justify-content: flex-start;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 107, 53, 0.4);
    border-radius: 50px;
    color: var(--text-light);
    font-weight: 600;
    font-size: 15px;
    backdrop-filter: blur(10px);
    transition: var(--transition-bounce);
    animation: float 3s ease-in-out infinite;
}

.hero-feature:nth-child(1) { animation-delay: 0s; }
.hero-feature:nth-child(2) { animation-delay: 0.2s; }
.hero-feature:nth-child(3) { animation-delay: 0.4s; }

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

.hero-feature:hover {
    transform: translateY(-5px) scale(1.05);
    background: rgba(255, 107, 53, 0.2);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
}

.hero-feature i {
    font-size: 1.3rem;
    color: var(--primary-color);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.hero-text-background {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    padding: 50px;
    border-radius: var(--border-radius-large);
    border: 2px solid rgba(255, 107, 53, 0.2);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.hero-text-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Section Styles */
.section-title {
    font-size: 48px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-color);
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -1px;
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--secondary-color);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 600;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--gradient-hero);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 80%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--border-radius-large);
    background: white;
    border: 3px solid transparent;
    transition: var(--transition-bounce);
    animation: fadeInUp 0.6s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 0;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.3);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
    transition: var(--transition-bounce);
}

.feature-card:hover .feature-icon {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.5);
}

.feature-icon i {
    font-size: 40px;
    color: white;
    z-index: 1;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
    font-family: 'Space Grotesk', sans-serif;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
    font-size: 16px;
}

/* How it works Section */
.how-it-works {
    padding: 120px 0;
    background: var(--gradient-dark);
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 30%, rgba(255, 107, 53, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 217, 255, 0.15) 0%, transparent 50%);
}

.how-it-works .section-title {
    color: var(--text-light);
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.how-it-works .section-subtitle {
    color: var(--text-muted);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
}

.step-card {
    display: flex;
    gap: 20px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-large);
    border: 2px solid rgba(255, 107, 53, 0.3);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.step-card:hover::before {
    transform: scaleY(1);
}

.step-card:hover {
    transform: translateY(-10px) translateX(10px);
    box-shadow: 0 20px 50px rgba(255, 107, 53, 0.3);
    border-color: var(--primary-color);
}

.step-content > h3 > span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    font-size: 32px;
    margin-right: 15px;
    display: inline-block;
}

.step-content h3 {
    margin: 0 0 20px 0;
    color: var(--text-light);
    font-size: 24px;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
}

.step-content p {
    margin: 0 0 25px 0;
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 16px;
}

.step-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.step-features span {
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 600;
    padding-left: 10px;
    position: relative;
}

.step-features span::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-2);
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.use-case-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 35px;
    border: 3px solid transparent;
    transition: var(--transition-bounce);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-rainbow);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.use-case-card:hover::before {
    transform: scaleX(1);
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.3);
    border-color: var(--primary-color);
}

.use-case-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
    animation: bounce 2s ease-in-out infinite;
}

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

.use-case-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-color);
    font-family: 'Space Grotesk', sans-serif;
}

.use-case-prompt {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(0, 217, 255, 0.1));
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
    font-size: 14px;
    line-height: 1.6;
    color: #555;
}

.use-case-prompt strong {
    color: var(--primary-color);
    font-weight: 700;
}

.use-case-result {
    color: #666;
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.use-case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.use-case-features span {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.use-cases-cta {
    text-align: center;
    margin-top: 50px;
    padding: 40px;
    background: var(--gradient-dark);
    border-radius: var(--border-radius-large);
    color: var(--text-light);
}

.use-cases-cta p {
    font-size: 20px;
    margin-bottom: 25px;
    font-weight: 600;
    color: var(--text-light);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    border: 3px solid transparent;
    transition: var(--transition-bounce);
    animation: fadeInUp 0.6s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gradient-rainbow);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.pricing-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 50px rgba(255, 107, 53, 0.3);
    border-color: var(--primary-color);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
}

.pricing-card.popular::before {
    transform: scaleX(1);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 8px 25px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-header {
    margin-bottom: 30px;
}

.plan-name {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--dark-color);
    font-family: 'Space Grotesk', sans-serif;
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
}

.price-value {
    font-size: 42px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'Space Grotesk', sans-serif;
}

.price-period {
    font-size: 18px;
    color: #666;
    font-weight: 600;
}

.yearly-price {
    margin-top: 10px;
    padding: 10px;
    background: linear-gradient(135deg, rgba(107, 207, 127, 0.2), rgba(0, 217, 255, 0.2));
    border-radius: 12px;
    width: 100%;
    border: 2px solid rgba(107, 207, 127, 0.3);
}

.yearly-price-value {
    color: var(--accent-2);
    font-weight: 700;
    font-size: 20px;
}

.yearly-price-note {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 3px;
}

.plan-features {
    margin-bottom: 35px;
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item i {
    color: var(--accent-2);
    width: 20px;
    font-size: 18px;
    flex-shrink: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 35, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    transition: var(--transition);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-large);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border: 3px solid var(--primary-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 30px;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    background: var(--gradient-primary);
    color: white;
}

.modal-header h3 {
    font-size: 26px;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
}

.modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: white;
    transition: var(--transition);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 35px;
}

.auth-description {
    font-size: 16px;
    color: #666;
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.7;
}

.telegram-auth-container {
    display: flex;
    justify-content: center;
    margin-bottom: 25px;
}

.auth-note {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(0, 217, 255, 0.1));
    border-radius: var(--border-radius);
    font-size: 14px;
    color: var(--primary-color);
    border: 2px solid rgba(255, 107, 53, 0.2);
    font-weight: 600;
}

.auth-note i {
    font-size: 20px;
    color: var(--secondary-color);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--gradient-dark);
    text-align: center;
    color: var(--text-light);
    position: relative;
}

.contact .section-title {
    color: var(--text-light);
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-content p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 500;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 35px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 700;
    transition: var(--transition-bounce);
    border: 2px solid rgba(255, 107, 53, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
    border-color: var(--primary-color);
}

.contact-link i {
    font-size: 24px;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 25px;
    border-top: 3px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand .nav-brand {
    color: white;
    margin-bottom: 20px;
}

.footer-brand .logo-img {
    height: 45px;
    filter: drop-shadow(0 4px 8px rgba(255, 107, 53, 0.4));
}

.footer-brand p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 15px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
}

.footer-section h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-family: 'Space Grotesk', sans-serif;
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
    font-weight: 500;
}

.footer-section a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    flex: 1;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-80px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.5) translateY(-100px) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0) rotate(0deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu > .nav-link {
        display: none;
    }
    .hero {
        min-height: 100vh;
        padding: 100px 0 60px;
    }
    
    .hero-logo {
        max-width: 200px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-title .text-gradient {
        font-size: 48px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .hero-text-background {
        padding: 30px 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .nav-link {
        font-size: 14px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .use-case-card {
        padding: 25px;
    }
    
    .use-cases-cta {
        padding: 30px 20px;
    }
    
    .use-cases-cta p {
        font-size: 18px;
    }
}