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

:root {
    --primary-color: #FF6B9D;
    --secondary-color: #C44569;
    --accent-color: #F8B500;
    --bg-gradient-start: #FFE5F1;
    --bg-gradient-end: #FFF0F8;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.balloons-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.balloon {
    position: absolute;
    width: 70px;
    height: 90px;
    border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
    animation: float 15s infinite ease-in-out;
    opacity: 0.8;
    box-shadow: 
        inset -15px -10px 20px rgba(0, 0, 0, 0.15),
        0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.balloon::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 20%;
    width: 25px;
    height: 30px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.6), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.balloon {
    position: absolute;
    width: 70px;
    height: 90px;
    border-radius: 50% 50% 50% 50% / 55% 55% 45% 45%;
    animation: float 15s infinite ease-in-out;
    opacity: 0.8;
    box-shadow: 
        inset -15px -10px 20px rgba(0, 0, 0, 0.15),
        0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
}

.balloon::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 20%;
    width: 25px;
    height: 30px;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.6), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* Узелок снизу шарика */
.balloon::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50% 50% 50% 50% / 50% 50% 30% 30%;
    box-shadow: 
        inset 0 2px 3px rgba(0, 0, 0, 0.2),
        0 1px 2px rgba(0, 0, 0, 0.1);
    z-index: -2;
    pointer-events: none;
    transform-origin: center bottom;
}

.balloon-1 {
    background: radial-gradient(circle at 30% 30%, #FFB8C8, #FFA5B5 60%, #FF8E9B);
    left: 10%;
    animation-delay: 0s;
    animation-duration: 18s;
}

.balloon-1::after {
    background: rgba(255, 165, 181, 0.7);
}

.balloon-2 {
    background: radial-gradient(circle at 30% 30%, #B8E6E0, #A8D5E2 60%, #9DD1E8);
    left: 25%;
    animation-delay: -2s;
    animation-duration: 20s;
}

.balloon-2::after {
    background: rgba(168, 213, 226, 0.7);
}

.balloon-3 {
    background: radial-gradient(circle at 30% 30%, #FFE5B4, #FFD9A3 60%, #FFD4A3);
    left: 40%;
    animation-delay: -4s;
    animation-duration: 16s;
}

.balloon-3::after {
    background: rgba(255, 217, 163, 0.7);
}

.balloon-4 {
    background: radial-gradient(circle at 30% 30%, #D4F0E8, #C8E8D8 60%, #B8F0D8);
    left: 55%;
    animation-delay: -6s;
    animation-duration: 22s;
}

.balloon-4::after {
    background: rgba(200, 232, 216, 0.7);
}

.balloon-5 {
    background: radial-gradient(circle at 30% 30%, #FFC8D8, #FFB8C8 60%, #FFA5B5);
    left: 70%;
    animation-delay: -8s;
    animation-duration: 19s;
}

.balloon-5::after {
    background: rgba(255, 184, 200, 0.7);
}

.balloon-6 {
    background: radial-gradient(circle at 30% 30%, #FFF0B8, #FFE5B4 60%, #FFD9A3);
    left: 85%;
    animation-delay: -10s;
    animation-duration: 17s;
}

.balloon-6::after {
    background: rgba(255, 229, 180, 0.7);
}

.balloon-7 {
    background: radial-gradient(circle at 30% 30%, #C8E8E0, #B8E6E0 60%, #A8D5E2);
    left: 15%;
    animation-delay: -12s;
    animation-duration: 21s;
}

.balloon-7::after {
    background: rgba(184, 230, 224, 0.7);
}

.balloon-8 {
    background: radial-gradient(circle at 30% 30%, #FFD4E0, #FFC8D8 60%, #FFB8C8);
    left: 60%;
    animation-delay: -14s;
    animation-duration: 18s;
}

.balloon-8::after {
    background: rgba(255, 200, 216, 0.7);
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20vh) translateX(30px) rotate(5deg);
    }
}

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

.header {
    text-align: center;
    padding: 40px 20px;
    position: relative;
    z-index: 10;
}

.logo {
    font-size: 3.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    animation: bounce 2s infinite;
}

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

.tagline {
    font-size: 1.3rem;
    color: var(--text-light);
    font-weight: 300;
}

.content-wrapper {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.main {
    position: relative;
    padding: 20px;
    z-index: 10;
}

.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 700;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.features {
    padding-bottom: 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}


.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 1rem;
}

.cta {
    padding: 60px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin: 40px 0;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-title {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    min-width: 200px;
    width: 200px;
}

.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);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-telegram {
    background: linear-gradient(135deg, #A8D5E2, #7FC8F8);
    color: #2C5F7A;
}

.btn-vk {
    background: linear-gradient(135deg, #B8D4F0, #9BC5E8);
    color: #2C5F8A;
}

.btn-instagram {
    background: linear-gradient(135deg, #F5A3B8, #E8B5D1, #D4B5E8);
    color: #8B4A6B;
}

.btn-ok {
    background: linear-gradient(135deg, #FFD4A3, #FFC8A3);
    color: #B85D1A;
}

.btn-icon {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    position: relative;
    z-index: 1;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

.btn span {
    position: relative;
    z-index: 1;
}

.footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-light);
    position: relative;
    z-index: 10;
}

@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .social-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        min-width: 200px;
        justify-content: center;
    }

    .balloon {
        width: 50px;
        height: 65px;
    }
    
    .balloon::after {
        width: 10px;
        height: 10px;
        bottom: -5px;
    }
}