/* Сброс стилей и базовые настройки */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    margin: 0;
    padding: 0;
}

/* Базовые стили для адаптивности */
* {
    box-sizing: border-box;
}

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

/* Звездное небо */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f23 100%);
}

#starfield::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #ffffff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #ffffff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ffffff, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 1; }
}

/* Градиентный фон */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    background: linear-gradient(45deg, 
        rgba(79, 70, 229, 0.05) 0%, 
        rgba(139, 92, 246, 0.05) 25%, 
        rgba(6, 182, 212, 0.05) 50%, 
        rgba(16, 185, 129, 0.05) 75%, 
        rgba(79, 70, 229, 0.05) 100%);
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { 
        background: linear-gradient(45deg, 
            rgba(79, 70, 229, 0.05) 0%, 
            rgba(139, 92, 246, 0.05) 25%, 
            rgba(6, 182, 212, 0.05) 50%, 
            rgba(16, 185, 129, 0.05) 75%, 
            rgba(79, 70, 229, 0.05) 100%);
    }
    50% { 
        background: linear-gradient(225deg, 
            rgba(16, 185, 129, 0.05) 0%, 
            rgba(6, 182, 212, 0.05) 25%, 
            rgba(139, 92, 246, 0.05) 50%, 
            rgba(79, 70, 229, 0.05) 75%, 
            rgba(16, 185, 129, 0.05) 100%);
    }
}

/* Основной контейнер */
.container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Иконка рукопожатия */
.handshake-container {
    margin-bottom: 2rem;
    animation: float 6s ease-in-out infinite;
}

.handshake-icon {
    width: 200px;
    height: 200px;
    filter: drop-shadow(0 0 20px rgba(79, 70, 229, 0.5));
    animation: pulse 3s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.left-hand, .right-hand {
    animation: handshake 2s ease-in-out infinite;
}

@keyframes handshake {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(5px); }
}

/* Заголовок */
.main-title {
    font-family: 'Orbitron', 'JetBrains Mono', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    text-align: center;
    animation: titleGlow 3s ease-in-out infinite alternate;
    letter-spacing: 0.1em;
}

.letter {
    display: inline-block;
    margin: 0 0.1rem;
    text-shadow: 
        3px 3px 0px #000000,
        -3px -3px 0px #000000,
        3px -3px 0px #000000,
        -3px 3px 0px #000000,
        0px 3px 0px #000000,
        0px -3px 0px #000000,
        3px 0px 0px #000000,
        -3px 0px 0px #000000,
        0 0 15px rgba(0, 0, 0, 0.9);
    transition: all 0.3s ease;
}

.letter:hover {
    transform: scale(1.1) rotate(5deg);
}

@keyframes titleGlow {
    0% { 
        filter: brightness(1) saturate(1);
    }
    100% { 
        filter: brightness(1.2) saturate(1.3);
    }
}

/* Цвета букв */
.letter-b {
    color: #4F46E5;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0s;
}

.letter-l {
    color: #8B5CF6;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.1s;
}

.letter-a {
    color: #06B6D4;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.2s;
}

.letter-b2 {
    color: #10B981;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.3s;
}

.letter-l2 {
    color: #F59E0B;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.4s;
}

.letter-a2 {
    color: #EC4899;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.5s;
}

.letter-p {
    color: #EF4444;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.6s;
}

.letter-a3 {
    color: #8B5CF6;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.7s;
}

.letter-r {
    color: #06B6D4;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.8s;
}

.letter-t {
    color: #10B981;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 0.9s;
}

.letter-n {
    color: #F59E0B;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 1.0s;
}

.letter-e {
    color: #EC4899;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 1.1s;
}

.letter-r2 {
    color: #4F46E5;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 1.2s;
}

.letter-s {
    color: #8B5CF6;
    animation: letterFloat 2s ease-in-out infinite;
    animation-delay: 1.3s;
}

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


/* Подзаголовок */
.subtitle {
    font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
    font-size: 1.8rem;
    font-weight: 600;
    color: #06B6D4;
    margin-bottom: 1.5rem;
    text-align: center;
    animation: fadeInUp 1s ease-out 0.4s both;
    text-shadow: 
        2px 2px 0px #000000,
        -2px -2px 0px #000000,
        2px -2px 0px #000000,
        -2px 2px 0px #000000,
        0px 2px 0px #000000,
        0px -2px 0px #000000,
        2px 0px 0px #000000,
        -2px 0px 0px #000000,
        0 0 10px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(6, 182, 212, 0.6);
    letter-spacing: 0.05em;
}

/* Описание */
.description {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 2.5rem;
    max-width: 700px;
    line-height: 1.7;
    animation: fadeInUp 1s ease-out 0.5s both;
    font-weight: 500;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.02em;
}

/* Заголовки секций */
.section-title {
    font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    animation: fadeInUp 1s ease-out 0.6s both;
    letter-spacing: 0.05em;
}

.mission-title {
    color: #8B5CF6;
    text-shadow: 
        2px 2px 0px #000000,
        -2px -2px 0px #000000,
        2px -2px 0px #000000,
        -2px 2px 0px #000000,
        0px 2px 0px #000000,
        0px -2px 0px #000000,
        2px 0px 0px #000000,
        -2px 0px 0px #000000,
        0 0 10px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(139, 92, 246, 0.6);
}

.solutions-title {
    color: #10B981;
    text-shadow: 
        2px 2px 0px #000000,
        -2px -2px 0px #000000,
        2px -2px 0px #000000,
        -2px 2px 0px #000000,
        0px 2px 0px #000000,
        0px -2px 0px #000000,
        2px 0px 0px #000000,
        -2px 0px 0px #000000,
        0 0 10px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(16, 185, 129, 0.6);
}

/* Секция миссии */
.mission-section {
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.7s both;
}

.mission-description {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    color: #ffffff;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 500;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.02em;
}

/* Секция решений */
.solutions-section {
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.solution-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out 0.9s both;
}

.solution-item:nth-child(2) {
    animation-delay: 0.9s;
}

.solution-item:nth-child(3) {
    animation-delay: 1.0s;
}

.solution-item:nth-child(4) {
    animation-delay: 1.1s;
}

.solution-number {
    font-family: 'JetBrains Mono', monospace;
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 800;
    color: #F59E0B;
    margin-right: 0.5rem;
    text-shadow: 
        2px 2px 0px #000000,
        -2px -2px 0px #000000,
        2px -2px 0px #000000,
        -2px 2px 0px #000000,
        0px 2px 0px #000000,
        0px -2px 0px #000000,
        2px 0px 0px #000000,
        -2px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.1em;
}

.solution-title {
    font-family: 'Space Grotesk', sans-serif;
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.02em;
}

.solution-description {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    color: #ffffff;
    line-height: 1.6;
    font-weight: 400;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 6px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.01em;
}

/* Секция слогана */
.slogan-section {
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 1.2s both;
}

.slogan {
    font-family: 'Orbitron', 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    color: #EC4899;
    font-style: italic;
    text-align: center;
    animation: glow 2s ease-in-out infinite alternate;
    text-shadow: 
        2px 2px 0px #000000,
        -2px -2px 0px #000000,
        2px -2px 0px #000000,
        -2px 2px 0px #000000,
        0px 2px 0px #000000,
        0px -2px 0px #000000,
        2px 0px 0px #000000,
        -2px 0px 0px #000000,
        0 0 10px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(236, 72, 153, 0.6);
    letter-spacing: 0.05em;
}

@keyframes glow {
    from { 
        text-shadow: 
            2px 2px 0px #000000,
            -2px -2px 0px #000000,
            2px -2px 0px #000000,
            -2px 2px 0px #000000,
            0px 2px 0px #000000,
            0px -2px 0px #000000,
            2px 0px 0px #000000,
            -2px 0px 0px #000000,
            0 0 10px rgba(0, 0, 0, 0.8),
            0 0 20px rgba(236, 72, 153, 0.4),
            0 0 30px rgba(236, 72, 153, 0.2); 
    }
    to { 
        text-shadow: 
            2px 2px 0px #000000,
            -2px -2px 0px #000000,
            2px -2px 0px #000000,
            -2px 2px 0px #000000,
            0px 2px 0px #000000,
            0px -2px 0px #000000,
            2px 0px 0px #000000,
            -2px 0px 0px #000000,
            0 0 10px rgba(0, 0, 0, 0.8),
            0 0 30px rgba(236, 72, 153, 0.6),
            0 0 40px rgba(236, 72, 153, 0.4); 
    }
}

/* Заключительный текст */
.conclusion-text {
    margin-bottom: 2rem;
    max-width: 700px;
    animation: fadeInUp 1s ease-out 1.3s both;
}

.conclusion {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    color: #ffffff;
    line-height: 1.7;
    text-align: center;
    font-weight: 500;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.02em;
}

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

/* Облако тегов */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 2rem 0;
    max-width: 800px;
    animation: fadeInUp 1s ease-out 1.4s both;
}

.tag-cloud-title {
    font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: #F59E0B;
    text-align: center;
    margin-bottom: 1.5rem;
    text-shadow: 
        2px 2px 0px #000000,
        -2px -2px 0px #000000,
        2px -2px 0px #000000,
        -2px 2px 0px #000000,
        0px 2px 0px #000000,
        0px -2px 0px #000000,
        2px 0px 0px #000000,
        -2px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.05em;
}

.tag-cloud .tag {
    display: inline-block;
    margin: 0.5rem;
}

.tag {
    font-family: 'Space Grotesk', sans-serif;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.5);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    display: inline-block;
    white-space: nowrap;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 6px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.02em;
}

.tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.tag:hover::before {
    left: 100%;
}

.tag:hover {
    background: rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
}

.tag-large {
    font-size: 1.1rem;
    padding: 0.7rem 1.3rem;
    background: rgba(139, 92, 246, 0.25);
    border-color: rgba(139, 92, 246, 0.6);
    font-weight: 700;
}

.tag-medium {
    font-size: 1rem;
    padding: 0.6rem 1.1rem;
    background: rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
    font-weight: 600;
}

.tag-small {
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.5);
    font-weight: 600;
}

/* Контакт */
.contact {
    animation: fadeInUp 1s ease-out 1.5s both;
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-link {
    font-family: 'Space Grotesk', sans-serif;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.5);
    border-radius: 50px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-shadow: 
        1px 1px 0px #000000,
        -1px -1px 0px #000000,
        1px -1px 0px #000000,
        -1px 1px 0px #000000,
        0px 1px 0px #000000,
        0px -1px 0px #000000,
        1px 0px 0px #000000,
        -1px 0px 0px #000000,
        0 0 8px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.02em;
}

.telegram-link {
    background: rgba(0, 136, 204, 0.2);
    border-color: rgba(0, 136, 204, 0.5);
}

.telegram-link:hover {
    background: rgba(0, 136, 204, 0.3);
    border-color: rgba(0, 136, 204, 0.7);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 136, 204, 0.3);
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.2), transparent);
    transition: left 0.5s ease;
}

.contact-link:hover::before {
    left: 100%;
}

.contact-link:hover {
    background: rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
}

.contact-link svg {
    transition: transform 0.3s ease;
}

.contact-link:hover svg {
    transform: scale(1.1);
}

/* Плавающие элементы */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(79, 70, 229, 0.1), rgba(139, 92, 246, 0.1));
    animation: floatAround 20s linear infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-duration: 25s;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    right: 15%;
    animation-duration: 30s;
    animation-delay: -5s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-duration: 35s;
    animation-delay: -10s;
}

.shape-4 {
    width: 40px;
    height: 40px;
    top: 30%;
    right: 30%;
    animation-duration: 20s;
    animation-delay: -15s;
}

@keyframes floatAround {
    0% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(100px, -50px) rotate(90deg); }
    50% { transform: translate(-50px, -100px) rotate(180deg); }
    75% { transform: translate(-100px, 50px) rotate(270deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

/* Частицы */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 6;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(79, 70, 229, 0.6);
    border-radius: 50%;
    animation: particleFloat 8s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        transform: translateY(0) scale(0);
        opacity: 0;
    }
}

/* Геометрические фигуры */
.geometric-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 4;
    pointer-events: none;
}

.geo-shape {
    position: absolute;
    opacity: 0.1;
    animation: geoFloat 15s ease-in-out infinite;
}

.geo-triangle {
    width: 0;
    height: 0;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 50px solid rgba(6, 182, 212, 0.3);
    top: 15%;
    left: 85%;
    animation-delay: 0s;
}

.geo-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.3);
    top: 70%;
    left: 5%;
    animation-delay: 3s;
}

.geo-square {
    width: 35px;
    height: 35px;
    background: rgba(245, 158, 11, 0.3);
    transform: rotate(45deg);
    top: 25%;
    left: 5%;
    animation-delay: 6s;
}

.geo-hexagon {
    width: 30px;
    height: 30px;
    background: rgba(236, 72, 153, 0.3);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    top: 80%;
    left: 90%;
    animation-delay: 9s;
}

.geo-diamond {
    width: 0;
    height: 0;
    border: 20px solid transparent;
    border-bottom: 40px solid rgba(139, 92, 246, 0.3);
    position: relative;
    top: 50%;
    left: 50%;
    animation-delay: 12s;
}

.geo-diamond::after {
    content: '';
    position: absolute;
    left: -20px;
    top: 40px;
    width: 0;
    height: 0;
    border: 20px solid transparent;
    border-top: 40px solid rgba(139, 92, 246, 0.3);
}

@keyframes geoFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
        opacity: 0.3;
    }
}

/* Интерактивные линии */
#interactive-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    opacity: 0.3;
}

/* Волновой эффект */
.wave-effect {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    z-index: 2;
    pointer-events: none;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 100px;
    background: linear-gradient(90deg, 
        rgba(79, 70, 229, 0.1) 0%, 
        rgba(139, 92, 246, 0.1) 25%, 
        rgba(6, 182, 212, 0.1) 50%, 
        rgba(16, 185, 129, 0.1) 75%, 
        rgba(79, 70, 229, 0.1) 100%);
    animation: waveMove 8s ease-in-out infinite;
}

.wave-1 {
    animation-duration: 8s;
    animation-delay: 0s;
    opacity: 0.3;
}

.wave-2 {
    animation-duration: 10s;
    animation-delay: -2s;
    opacity: 0.2;
}

.wave-3 {
    animation-duration: 12s;
    animation-delay: -4s;
    opacity: 0.1;
}

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

/* Анимация потряхивания тегов */
@keyframes tagShake {
    0%, 100% { transform: translateX(0) translateY(0) rotate(0deg); }
    10% { transform: translateX(-2px) translateY(-1px) rotate(-1deg); }
    20% { transform: translateX(2px) translateY(1px) rotate(1deg); }
    30% { transform: translateX(-1px) translateY(2px) rotate(-0.5deg); }
    40% { transform: translateX(1px) translateY(-2px) rotate(0.5deg); }
    50% { transform: translateX(-2px) translateY(1px) rotate(-1deg); }
    60% { transform: translateX(2px) translateY(-1px) rotate(1deg); }
    70% { transform: translateX(-1px) translateY(-2px) rotate(-0.5deg); }
    80% { transform: translateX(1px) translateY(2px) rotate(0.5deg); }
    90% { transform: translateX(-2px) translateY(-1px) rotate(-1deg); }
}

/* Классы для случайного потряхивания */
.tag-shake {
    animation: tagShake 0.6s ease-in-out;
}

/* Адаптивность */

/* Большие экраны (1200px+) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
        padding: 3rem 2rem;
    }
    
    .main-title {
        font-size: 4.5rem;
    }
    
    .subtitle {
        font-size: 1.8rem;
    }
    
    .description {
        font-size: 1.3rem;
        line-height: 1.8;
    }
    
    .handshake-icon {
        width: 250px;
        height: 250px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .solution-item {
        margin-bottom: 3rem;
    }
    
    .tag-cloud {
        max-width: 1000px;
    }
}

/* Десктопы (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .container {
        max-width: 1200px;
        padding: 2.5rem 1.5rem;
    }
    
    .main-title {
        font-size: 4rem;
    }
    
    .subtitle {
        font-size: 1.6rem;
    }
    
    .description {
        font-size: 1.2rem;
    }
    
    .handshake-icon {
        width: 220px;
        height: 220px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .tag-cloud {
        max-width: 900px;
    }
}

/* Планшеты (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        padding: 2rem 1.5rem;
    }
    
    .main-title {
        font-size: 3.5rem;
    }
    
    .subtitle {
        font-size: 1.4rem;
    }
    
    .description {
        font-size: 1.1rem;
        line-height: 1.7;
    }
    
    .handshake-icon {
        width: 180px;
        height: 180px;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .mission-description,
    .solution-title,
    .solution-description,
    .conclusion {
        font-size: 1rem;
    }
    
    .tag-cloud {
        max-width: 700px;
    }
    
    .tag {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .contact-link {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    /* Геометрические фигуры - уменьшаем для планшетов */
    .geo-triangle {
        border-left: 20px solid transparent;
        border-right: 20px solid transparent;
        border-bottom: 40px solid rgba(6, 182, 212, 0.3);
    }
    
    .geo-circle {
        width: 30px;
        height: 30px;
    }
    
    .geo-square {
        width: 25px;
        height: 25px;
    }
    
    .geo-hexagon {
        width: 25px;
        height: 25px;
    }
    
    .geo-diamond {
        border: 15px solid transparent;
        border-bottom: 30px solid rgba(139, 92, 246, 0.3);
    }
    
    .geo-diamond::after {
        left: -15px;
        top: 30px;
        border: 15px solid transparent;
        border-top: 30px solid rgba(139, 92, 246, 0.3);
    }
}

/* Мобильные устройства (576px - 767px) */
@media (max-width: 767px) and (min-width: 576px) {
    .container {
        padding: 1.5rem 1rem;
    }
    
    .main-title {
        font-size: 2.8rem;
        margin-bottom: 0.8rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .description {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2rem;
    }
    
    .handshake-icon {
        width: 150px;
        height: 150px;
        margin-bottom: 1.5rem;
    }
    
    .section-title {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }
    
    .mission-title {
        font-size: 1.3rem;
    }
    
    .solutions-title {
        font-size: 1.3rem;
    }
    
    .mission-description,
    .solution-title,
    .solution-description,
    .conclusion {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .solution-item {
        margin-bottom: 2rem;
        padding: 1rem;
    }
    
    .solution-number {
        font-size: 1.8rem;
        width: 40px;
        height: 40px;
        line-height: 40px;
    }
    
    .slogan {
        font-size: 1.2rem;
    }
    
    .tag-cloud {
        max-width: 100%;
        margin: 1.5rem 0;
        gap: 0.4rem;
    }
    
    .tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
        margin: 0.2rem;
    }
    
    .tag-large {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .tag-medium {
        font-size: 0.85rem;
        padding: 0.45rem 0.9rem;
    }
    
    .tag-small {
        font-size: 0.75rem;
        padding: 0.35rem 0.7rem;
    }
    
    .contact {
        margin-top: 2rem;
    }
    
    .contact {
        gap: 0.8rem;
    }
    
    .contact-link {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* Уменьшаем плавающие элементы */
    .floating-shape {
        opacity: 0.5;
    }
    
    .shape-1 {
        width: 60px;
        height: 60px;
    }
    
    .shape-2 {
        width: 40px;
        height: 40px;
    }
    
    .shape-3 {
        width: 50px;
        height: 50px;
    }
    
    .shape-4 {
        width: 30px;
        height: 30px;
    }
    
    /* Геометрические фигуры - еще меньше */
    .geo-triangle {
        border-left: 15px solid transparent;
        border-right: 15px solid transparent;
        border-bottom: 30px solid rgba(6, 182, 212, 0.3);
    }
    
    .geo-circle {
        width: 25px;
        height: 25px;
    }
    
    .geo-square {
        width: 20px;
        height: 20px;
    }
    
    .geo-hexagon {
        width: 20px;
        height: 20px;
    }
    
    .geo-diamond {
        border: 12px solid transparent;
        border-bottom: 24px solid rgba(139, 92, 246, 0.3);
    }
    
    .geo-diamond::after {
        left: -12px;
        top: 24px;
        border: 12px solid transparent;
        border-top: 24px solid rgba(139, 92, 246, 0.3);
    }
    
    /* Волны - уменьшаем */
    .wave-effect {
        height: 60px;
    }
    
    .wave {
        height: 60px;
    }
}

/* Маленькие мобильные устройства (до 575px) */
@media (max-width: 575px) {
    .container {
        padding: 1rem 0.8rem;
    }
    
    .main-title {
        font-size: 2.2rem;
        margin-bottom: 0.6rem;
        line-height: 1.2;
    }
    
    /* Буквы заголовка - уменьшаем отступы */
    .letter {
        margin: 0 0.05rem;
    }
    
    .subtitle {
        font-size: 1rem;
        margin-bottom: 0.8rem;
        line-height: 1.4;
    }
    
    .description {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .handshake-icon {
        width: 120px;
        height: 120px;
        margin-bottom: 1rem;
    }
    
    .section-title {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .mission-title {
        font-size: 1.1rem;
    }
    
    .solutions-title {
        font-size: 1.1rem;
    }
    
    .mission-description,
    .solution-title,
    .solution-description,
    .conclusion {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .solution-item {
        margin-bottom: 1.5rem;
        padding: 0.8rem;
    }
    
    .solution-number {
        font-size: 1.5rem;
        width: 35px;
        height: 35px;
        line-height: 35px;
        margin-right: 0.8rem;
    }
    
    .solution-title {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    
    .solution-description {
        font-size: 0.8rem;
    }
    
    .slogan {
        font-size: 1rem;
        margin: 1.5rem 0;
    }
    
    .tag-cloud {
        margin: 1rem 0;
        gap: 0.3rem;
    }
    
    .tag-cloud-title {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .tag {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
        margin: 0.15rem;
    }
    
    .tag-large {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .tag-medium {
        font-size: 0.75rem;
        padding: 0.35rem 0.7rem;
    }
    
    .tag-small {
        font-size: 0.65rem;
        padding: 0.25rem 0.5rem;
    }
    
    .contact {
        margin-top: 1.5rem;
        gap: 0.6rem;
        flex-direction: column;
    }
    
    .contact-link {
        padding: 0.7rem 1.2rem;
        font-size: 0.8rem;
        gap: 0.3rem;
    }
    
    /* Убираем некоторые эффекты для производительности */
    .floating-elements {
        display: none;
    }
    
    .geometric-shapes {
        display: none;
    }
    
    .wave-effect {
        height: 40px;
    }
    
    .wave {
        height: 40px;
    }
    
    /* Уменьшаем количество звезд */
    .star {
        opacity: 0.3;
    }
    
    /* Упрощаем частицы */
    .particle {
        width: 1px;
        height: 1px;
    }
}

/* Очень маленькие экраны (до 360px) */
@media (max-width: 360px) {
    .container {
        padding: 0.8rem 0.5rem;
    }
    
    .main-title {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .description {
        font-size: 0.8rem;
        padding: 0 0.3rem;
    }
    
    .handshake-icon {
        width: 100px;
        height: 100px;
    }
    
    .section-title {
        font-size: 1rem;
    }
    
    .mission-title,
    .solutions-title {
        font-size: 1rem;
    }
    
    .mission-description,
    .solution-title,
    .solution-description,
    .conclusion {
        font-size: 0.75rem;
    }
    
    .solution-number {
        font-size: 1.2rem;
        width: 30px;
        height: 30px;
        line-height: 30px;
    }
    
    .slogan {
        font-size: 0.9rem;
    }
    
    .tag-cloud-title {
        font-size: 1rem;
    }
    
    .tag {
        font-size: 0.6rem;
        padding: 0.25rem 0.5rem;
    }
    
    .contact {
        gap: 0.5rem;
        flex-direction: column;
    }
    
    .contact-link {
        padding: 0.6rem 1rem;
        font-size: 0.75rem;
    }
}

/* Ландшафтная ориентация на мобильных */
@media (max-height: 500px) and (orientation: landscape) {
    .container {
        padding: 0.5rem 1rem;
    }
    
    .main-title {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .subtitle {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .handshake-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 0.5rem;
    }
    
    .solution-item {
        margin-bottom: 1rem;
    }
    
    .tag-cloud {
        margin: 0.5rem 0;
    }
    
    .contact {
        margin-top: 1rem;
        gap: 0.5rem;
        flex-direction: row;
    }
}

/* Высокие экраны (более 1000px по высоте) */
@media (min-height: 1000px) {
    .container {
        padding: 4rem 2rem;
    }
    
    .main-title {
        margin-bottom: 2rem;
    }
    
    .handshake-icon {
        margin-bottom: 3rem;
    }
    
    .solution-item {
        margin-bottom: 3rem;
    }
    
    .tag-cloud {
        margin: 3rem 0;
    }
    
    .contact {
        margin-top: 3rem;
    }
}