/* ===================================
   Global Styles & Reset
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2563eb;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --dark: #1e293b;
    --darker: #0f172a;
    --light: #f1f5f9;
    --lighter: #f8fafc;
    --white: #ffffff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    
    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark);
    background: var(--lighter);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.8;
}

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

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.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-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* ===================================
   Glass Card
   =================================== */
.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px) rotateX(2deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* ===================================
   Scroll Progress Bar
   =================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.logo small {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

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

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

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

.nav-buttons {
    display: flex;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    color: var(--white);
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 20px;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 0.5rem;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.image-badge {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    font-weight: 600;
    color: var(--primary-color);
}

/* ===================================
   Section Headers
   =================================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-title {
    color: var(--dark);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #64748b;
}

/* ===================================
   Problem Section (4 в ряд)
   =================================== */
.problem-section {
    padding: var(--section-padding);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.problem-card {
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.problem-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-accent);
    border-radius: 15px;
    color: var(--white);
    font-size: 1.8rem;
}

.problem-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.problem-card p {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Solution Section
   =================================== */
.solution-section {
    padding: var(--section-padding);
    background: var(--white);
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.solution-benefits {
    list-style: none;
    margin: 2rem 0;
}

.solution-benefits li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    font-size: 1.05rem;
}

.solution-benefits i {
    color: var(--success-color);
    font-size: 1.3rem;
}

.solution-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 4rem;
    align-items: center;
}

.image-frame {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.experience-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 0.9rem;
    color: var(--dark);
    margin-top: 0.25rem;
}

.about-name {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.about-position {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.about-description {
    margin-bottom: 2rem;
}

.about-advantages {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.advantage-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 15px;
    transition: var(--transition);
}

.advantage-item:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(5px);
}

.advantage-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.advantage-item h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.advantage-item p {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
}

/* ===================================
   Services Section
   =================================== */
.services-section {
    padding: var(--section-padding);
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    text-align: center;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 20px;
    color: var(--white);
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: #64748b;
    margin: 0;
}

/* ===================================
   Process Section (Timeline)
   =================================== */
.process-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 1;
}

.timeline-item:nth-child(even) .timeline-number {
    grid-column: 2;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 3;
}

.timeline-item:nth-child(odd) .timeline-number {
    grid-column: 2;
}

.timeline-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
    position: relative;
    z-index: 2;
}

.timeline-content {
    padding: 1.5rem;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.timeline-content p {
    color: #64748b;
    margin-bottom: 0.75rem;
}

.timeline-duration {
    display: inline-block;
    padding: 6px 12px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===================================
   Cases Section (Мордовия)
   =================================== */
.cases-section {
    padding: var(--section-padding);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.case-card {
    padding: 2rem;
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.case-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-success);
    border-radius: 12px;
    color: var(--white);
    font-size: 1.5rem;
}

.case-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 600;
}

.case-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.case-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 12px;
}

.case-amount .label,
.case-duration .label {
    display: block;
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.case-amount .value,
.case-duration .value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.case-description {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Myths Section (4 в ряд)
   =================================== */
.myths-section {
    padding: var(--section-padding);
    background: var(--white);
}

.myths-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.myth-card {
    padding: 1.5rem;
    text-align: center;
}

.myth-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.8rem;
}

.myth-false {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.myth-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.myth-reality {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

.myth-reality strong {
    color: var(--success-color);
}

/* ===================================
   Guarantee Section
   =================================== */
.guarantee-section {
    padding: var(--section-padding);
    background: var(--gradient-dark);
    color: var(--white);
}

.guarantee-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.guarantee-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 3rem;
}

.guarantee-content h2 {
    color: var(--white);
    margin-bottom: 2rem;
}

.guarantee-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    text-align: left;
}

.guarantee-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
}

.guarantee-item i {
    color: var(--success-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.guarantee-item p {
    margin: 0;
    font-size: 1rem;
}

/* ===================================
   FAQ Section
   =================================== */
.faq-section {
    padding: var(--section-padding);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(37, 99, 235, 0.05);
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: #64748b;
    margin: 0;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-note {
    font-size: 0.85rem;
    color: #64748b;
    text-align: center;
    margin-top: 0.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 15px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 15px;
    color: var(--white);
    font-size: 1.8rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--secondary-color);
}

.contact-item p {
    color: #64748b;
    margin: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--gradient-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 1.8rem;
}

.footer-about p {
    line-height: 1.8;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-privacy {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 2rem;
}

.privacy-text p {
    margin-bottom: 1rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.privacy-text i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-disclaimer {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Floating Buttons
   =================================== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
}

.float-btn {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--white);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

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

.telegram-btn {
    background: linear-gradient(135deg, #2AABEE 0%, #229ED9 100%);
}

.float-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 120px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .problem-grid,
    .myths-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guarantee-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .nav-buttons {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .problem-grid,
    .myths-grid,
    .services-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        grid-template-columns: 60px 1fr;
        gap: 1.5rem;
    }
    
    .timeline-item:nth-child(even) .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content {
        grid-column: 2;
    }
    
    .timeline-item:nth-child(even) .timeline-number,
    .timeline-item:nth-child(odd) .timeline-number {
        grid-column: 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }
    
    .float-btn {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .back-to-top {
        bottom: 100px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .about-advantages {
        grid-template-columns: 1fr;
    }
}