/* ========================================
   CSS Variables & Base Styles
   ======================================== */
:root {
    /* Colors - Vibrant Zumba Palette */
    --color-primary: #FF2D75;
    --color-primary-light: #FF5B95;
    --color-primary-dark: #E61E5F;
    --color-secondary: #FFB800;
    --color-accent: #00D9FF;
    --color-accent-dark: #00B8D9;
    
    --color-bg-dark: #0D0D0D;
    --color-bg-card: #1A1A1A;
    --color-bg-light: #252525;
    
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-text-muted: #6B6B6B;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-hero: linear-gradient(180deg, rgba(13,13,13,0.8) 0%, rgba(13,13,13,0.95) 100%);
    --gradient-card: linear-gradient(145deg, rgba(30,30,30,0.95) 0%, rgba(20,20,20,0.9) 100%);
    
    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 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 10px 40px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 30px rgba(255, 45, 117, 0.4);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Custom Cursor
   ======================================== */
.cursor {
    display: none;
}

.cursor-follower {
    display: none;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 2.5rem;
    line-height: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.6rem;
    letter-spacing: 4px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-medium);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-dark);
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        gap: 20px;
        transform: translateY(-150%);
        transition: transform var(--transition-medium);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 120px 20px 60px;
    overflow: visible;
}

.hero-bg-animation {
    position: absolute;
    inset: 0;
    overflow: visible;
    z-index: 0;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-primary);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--color-secondary);
    bottom: 10%;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: var(--color-accent);
    top: 50%;
    right: 10%;
    animation-delay: -10s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    background: var(--color-primary-light);
    bottom: -50px;
    right: 30%;
    animation-delay: -15s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(20px, 30px) scale(1.02);
    }
}

.hero-content {
    max-width: var(--container-width);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.9;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255, 45, 117, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-text-primary);
}

.btn-secondary:hover {
    background: var(--color-text-primary);
    color: var(--color-bg-dark);
}

.btn-full {
    width: 100%;
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-container {
    position: relative;
    width: 350px;
    height: 350px;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient-card);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.dancer-icon {
    width: 60%;
    height: 60%;
    color: var(--color-primary);
    animation: pulse 2s infinite ease-in-out;
}

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

.image-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid transparent;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-top-color: var(--color-primary);
    border-right-color: var(--color-secondary);
    animation: spin 3s linear infinite;
}

.ring-2 {
    width: 120%;
    height: 120%;
    border-top-color: var(--color-accent);
    border-left-color: var(--color-primary);
    animation: spin 5s linear infinite reverse;
}

.ring-3 {
    width: 140%;
    height: 140%;
    border-bottom-color: var(--color-secondary);
    border-right-color: var(--color-accent);
    animation: spin 7s linear infinite;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-text-muted);
    border-radius: 10px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        top: 6px;
    }
    50% {
        opacity: 0;
        top: 14px;
    }
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .image-container {
        width: 280px;
        height: 280px;
    }
}

/* ========================================
   Section Styles
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.title-decoration {
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* Scroll margin for sections */
section[id] {
    scroll-margin-top: 100px;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: var(--section-padding);
    background: var(--color-bg-card);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image .image-card {
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--color-bg-light);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.image-overlay {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-overlay::after {
    content: 'Фото тренера';
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    color: var(--color-text-primary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.achievements {
    margin: 30px 0;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-primary);
    margin-bottom: 12px;
    padding: 10px 15px;
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    border-left: 3px solid var(--color-primary);
}

.achievement-icon {
    font-size: 1.3rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* ========================================
   Programs Section
   ======================================== */
.programs {
    padding: var(--section-padding);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.program-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    transition: all var(--transition-medium);
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.program-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 45, 117, 0.3);
    box-shadow: var(--shadow-glow);
}

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

.program-card.featured {
    border-color: var(--color-primary);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 25px;
    color: var(--color-primary);
}

.program-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.program-card p {
    color: var(--color-text-primary);
    margin-bottom: 20px;
    line-height: 1.7;
}

.program-features {
    margin-bottom: 25px;
}

.program-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-primary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.program-features li::before {
    content: '✓';
    color: var(--color-secondary);
    font-weight: bold;
}

.card-link {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: gap var(--transition-fast);
    display: inline-flex;
    gap: 5px;
}

.card-link:hover {
    gap: 10px;
}

/* ========================================
   Reviews Section
   ======================================== */
.reviews {
    padding: var(--section-padding);
    background: var(--color-bg-card);
}

.reviews-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 20px;
    padding: 40px;
    transition: all var(--transition-medium);
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 45, 117, 0.3);
}

.review-stars {
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.review-text {
    color: var(--color-text-primary);
    line-height: 1.8;
    margin-bottom: 25px;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.author-role {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.slider-dots button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--color-text-muted);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dots button.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--section-padding);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    background: rgba(0,0,0,0.3);
    padding: 30px;
    border-radius: 20px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.contact-info > p {
    color: var(--color-text-primary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--color-text-primary);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.schedule-info {
    margin: 30px 0;
    padding: 25px;
    background: rgba(0,0,0,0.4);
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.15);
}

.schedule-info h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.schedule-list {
    list-style: none;
}

.schedule-list li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.schedule-list li:last-child {
    border-bottom: none;
}

.schedule-list li span:first-child {
    font-weight: 600;
    color: var(--color-text-primary);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text-primary);
    transition: all var(--transition-medium);
}

.social-link svg {
    width: 22px;
    height: 22px;
}

.social-link:hover {
    border-color: var(--color-primary);
    background: var(--color-primary);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 20px;
    padding: 40px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    background: rgba(0,0,0,0.3);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    background: rgba(0,0,0,0.5);
}

.form-group label {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-primary);
    pointer-events: none;
    transition: all var(--transition-fast);
    background: transparent;
    padding: 0 5px;
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: 0;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--color-primary);
    background: var(--color-bg-dark);
}

.form-group select {
    cursor: pointer;
    appearance: none;
}

.form-group select option {
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
}

/* Schedule Info */
.schedule-info {
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(255,255,255,0.15);
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo .logo-text {
    font-size: 2rem;
}

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

.footer-links {
    margin-top: 15px;
}

.footer-links a {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary-light);
}

/* ========================================
   Animations & Effects
   ======================================== */
.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Tilt Effect */
[data-tilt] {
    transform-style: preserve-3d;
    transform: perspective(1000px);
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-text-primary);
}

/* Heart Particles */
#hearts-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.heart-particle {
    position: absolute;
    font-size: 20px;
    color: var(--color-primary);
    animation: heartFloat 3s ease-in forwards;
    opacity: 0;
    text-shadow: 0 0 10px rgba(255, 45, 117, 0.5);
}

@keyframes heartFloat {
    0% {
        opacity: 1;
        transform: translateY(0) scale(0.5) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(-200px) scale(1.2) rotate(360deg);
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}