/* ===================================
   Детские праздники и развлечения
   Монохромный дизайн (синий)
   =================================== */

:root {
    --primary: #4a90d9;
    --primary-dark: #3a7bc8;
    --primary-light: #6ba3e0;
    --primary-pale: #e8f1fc;
    --text-dark: #1a1a2e;
    --text-gray: #5a5a7a;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(74, 144, 217, 0.15);
    --shadow-lg: 0 10px 40px rgba(74, 144, 217, 0.25);
    --radius: 12px;
}

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

body {
    font-family: 'Nunito', 'Segoe UI', system-ui, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
}

/* ===================================
   Навигация
   =================================== */
.navbar {
    background: var(--primary) !important;
    padding: 15px 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 30px rgba(74, 144, 217, 0.4);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white) !important;
    transition: transform 0.3s;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand i {
    color: var(--white);
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10%, 30% { transform: scale(1.1); }
    20%, 40% { transform: scale(1); }
}

.nav-link {
    font-weight: 600;
    color: var(--white) !important;
    margin: 0 10px;
    transition: all 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
    transform: translateY(-2px);
}

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

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 1s ease-out;
}

.hero-lead {
    font-size: 1.25rem;
    color: var(--primary-pale);
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.btn-hero {
    background: var(--white);
    color: var(--primary);
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    border: 2px solid var(--white);
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    animation: fadeInUp 1s ease-out 0.6s both, pulse 2s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(74, 144, 217, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-hero:hover {
    background: transparent;
    color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 217, 0.4);
}

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

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(255, 255, 255, 0); }
}

.hero-visual {
    text-align: center;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-emoji {
    font-size: 14rem !important;
    display: block !important;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
    cursor: pointer;
    transition: transform 0.3s;
    animation: balloonFloat 3s ease-in-out infinite;
}

.hero-emoji:hover {
    transform: scale(1.15);
}

/* Анимация парения и вращения шарика (вертикальное + горизонтальное) */
@keyframes balloonFloat {
    0%, 100% { 
        transform: translateY(0) rotate(-3deg) rotateY(-5deg);
    }
    25% { 
        transform: translateY(-15px) rotate(0deg) rotateY(0deg);
    }
    50% { 
        transform: translateY(-25px) rotate(3deg) rotateY(5deg);
    }
    75% { 
        transform: translateY(-15px) rotate(0deg) rotateY(0deg);
    }
}

/* Когда hero-visual фиксированный - уменьшаем шарик но сохраняем анимацию */
.hero-visual[style*="position: fixed"] .hero-emoji {
    font-size: 8rem !important;
    animation: balloonFloatFixed 2s ease-in-out infinite;
}

@keyframes balloonFloatFixed {
    0%, 100% { 
        transform: translateY(0) rotate(-2deg) rotateY(-3deg);
    }
    50% { 
        transform: translateY(-10px) rotate(2deg) rotateY(3deg);
    }
}

/* ===================================
   Заголовки секций
   =================================== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 15px;
    display: inline-block;
    position: relative;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--primary);
    transition: width 0.6s ease;
    transform: translateX(-50%);
}

.section-title.visible h2::after {
    width: 80px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-gray);
    transition: opacity 0.6s ease;
    opacity: 0;
}

.section-title.visible p {
    opacity: 1;
}

/* ===================================
   Услуги
   =================================== */
.services {
    padding: 100px 0;
    background: var(--primary-pale);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100px;
    width: 200px;
    height: 200px;
    background: rgba(74, 144, 217, 0.1);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite;
}

.services::after {
    content: '';
    position: absolute;
    bottom: -150px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: rgba(74, 144, 217, 0.08);
    border-radius: 50%;
    animation: float 12s ease-in-out infinite reverse;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid var(--primary-pale);
    opacity: 0;
    transform: translateY(30px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(74, 144, 217, 0.25);
}

.service-card:hover .service-icon {
    background: var(--primary-dark);
    transform: rotateY(180deg) scale(1.1);
}

.service-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 20px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   Преимущества
   =================================== */
.benefits {
    padding: 100px 0;
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.benefits::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 15s ease-in-out infinite;
}

.benefits .section-title h2 {
    color: var(--white);
}

.benefits .section-title p {
    color: var(--primary-pale);
}

.benefit-item {
    text-align: center;
    padding: 30px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.benefit-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.benefit-item:hover {
    transform: translateY(-10px);
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.2) rotate(10deg);
}

.benefit-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.benefit-item h4 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
}

.benefit-item p {
    color: var(--primary-pale);
    font-size: 1rem;
}

/* ===================================
   Галерея
   =================================== */
.gallery {
    padding: 100px 0;
    background: var(--white);
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    border: 3px solid var(--primary-pale);
    transition: all 0.4s;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.9);
}

.gallery-item.visible {
    opacity: 1;
    transform: scale(1);
}

.gallery-item:hover {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(74, 144, 217, 0.25);
}

.gallery-item:hover img {
    transform: scale(1.15) rotate(2deg);
    filter: brightness(1.1);
}

.gallery-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===================================
   Контакты и форма
   =================================== */
.contact {
    padding: 100px 0;
    background: var(--primary-pale);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
    background: rgba(74, 144, 217, 0.08);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.contact-wrapper {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 2px solid var(--primary-pale);
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.contact-wrapper.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-info {
    background: var(--primary);
    padding: 60px 40px;
    color: var(--white);
    height: 100%;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.contact-info > p {
    color: var(--primary-pale);
    margin-bottom: 40px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-info-item i {
    font-size: 1.3rem;
    width: 45px;
    height: 45px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
    color: var(--white);
}

.contact-info-item strong {
    display: block;
    margin-bottom: 5px;
    color: var(--white);
}

.contact-info-item a {
    color: var(--white);
    text-decoration: none;
}

.contact-info-item a:hover {
    opacity: 0.8;
}

.social-links a {
    display: inline-flex;
    width: 42px;
    height: 42px;
    background: var(--primary-light);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin: 0 6px;
    color: var(--white);
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--white);
    color: var(--primary);
}

.contact-form-wrapper {
    padding: 60px 40px;
}

.contact-form-wrapper h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 30px;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-control,
.form-select {
    border-radius: 10px;
    padding: 12px 16px;
    border: 2px solid var(--primary-pale);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-pale);
    outline: none;
    transform: translateY(-2px);
}

.form-control:hover,
.form-select:hover {
    border-color: var(--primary-light);
}

.btn-submit {
    background: var(--primary);
    color: var(--white);
    border: 2px solid var(--primary);
    padding: 14px 40px;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

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

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

.btn-submit:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(74, 144, 217, 0.3);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* ===================================
   Footer
   =================================== */
footer {
    background: var(--primary);
    color: var(--white);
    padding: 40px 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 18s ease-in-out infinite;
}

footer p {
    color: var(--primary-pale);
    position: relative;
    z-index: 1;
}

footer a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.4rem;
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}

footer a:hover {
    opacity: 0.8;
    transform: translateY(-5px) scale(1.2);
    color: var(--white);
}

.social-links a {
    display: inline-flex;
    width: 42px;
    height: 42px;
    background: var(--primary-light);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin: 0 6px;
    color: var(--white);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.social-links a:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-8px) scale(1.15);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ===================================
   Адаптивность
   =================================== */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-emoji {
        font-size: 7rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-emoji {
        font-size: 5rem;
        margin-top: 30px;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .contact-info,
    .contact-form-wrapper {
        padding: 40px 25px;
    }
    
    .benefit-item h4 {
        font-size: 1.8rem;
    }
}

/* ===================================
   Анимации
   =================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

@media (max-width: 768px) {
    .hero-emoji {
        display: none;
    }
}