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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

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

.nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Fixed Form */
.fixed-form {
    position: fixed;
    right: -400px;
    top: 50%;
    transform: translateY(-50%);
    width: 380px;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.fixed-form.active {
    right: 20px;
}

.form-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s;
}

.form-close:hover {
    color: var(--text-dark);
}

.fixed-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.fixed-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.fixed-form input,
.fixed-form textarea {
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.fixed-form input:focus,
.fixed-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 0.75rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Social Buttons */
.social-buttons {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-btn svg {
    width: 32px;
    height: 32px;
    z-index: 2;
    position: relative;
}

.vk-text {
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 2px;
    z-index: 2;
    position: relative;
}

.social-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.social-btn.whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
}

.social-btn.whatsapp::before {
    background: linear-gradient(135deg, #128C7E, #25D366);
    transform: scale(0);
}

.social-btn.vk {
    background: linear-gradient(135deg, #0077FF, #4680C2);
}

.social-btn.vk::before {
    background: linear-gradient(135deg, #4680C2, #0077FF);
    transform: scale(0);
}

.social-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.social-btn:hover::before {
    transform: scale(1);
}

.social-btn:active {
    transform: scale(0.95);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2563eb 100%);
    color: var(--white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.feature-icon {
    background: var(--secondary-color);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
}

.cta-button {
    background: var(--accent-color);
    color: var(--white);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.4);
}

/* Section Styles */
section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* About Section */
.about {
    background: var(--bg-light);
    position: relative;
    z-index: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Advantages Section */
.advantages {
    position: relative;
    z-index: 1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.advantage-card p {
    color: var(--text-light);
}

/* Process Section */
.process {
    background: var(--bg-light);
    position: relative;
    z-index: 1;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
}

.step {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    transition: transform 0.3s;
}

.step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.step p {
    color: var(--text-light);
}

/* Success Cases Section */
.success-cases {
    background: var(--bg-light);
    position: relative;
    z-index: 1;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.case-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.case-image-wrapper {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.case-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.case-card:hover .case-image {
    transform: scale(1.1);
}

.approved-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: var(--white);
    padding: 0.6rem 1.8rem;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform: scale(1);
    animation: pulse 2s infinite;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.case-card:hover .approved-badge {
    transform: scale(1.2) rotate(5deg);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.7);
    background: linear-gradient(135deg, #059669, var(--secondary-color));
    padding: 0.7rem 2rem;
    animation: bounce 0.6s ease, glow 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(16, 185, 129, 0.6);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: scale(1.2) rotate(5deg) translateY(0);
    }
    50% {
        transform: scale(1.3) rotate(5deg) translateY(-8px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(16, 185, 129, 0.7);
    }
    50% {
        box-shadow: 0 8px 35px rgba(16, 185, 129, 0.9), 0 0 20px rgba(16, 185, 129, 0.5);
    }
}

.case-content {
    padding: 1.5rem;
}

.case-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.case-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.case-detail {
    padding: 0.75rem;
    background: var(--bg-light);
    border-radius: 5px;
    border-left: 3px solid var(--secondary-color);
}

.case-detail strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.case-detail p {
    color: var(--text-light);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Reviews Section */
.reviews {
    position: relative;
    z-index: 1;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.review-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.review-card:hover {
    transform: translateY(-5px);
}

.review-stars {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.review-text {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-style: italic;
    flex-grow: 1;
}

.review-author {
    color: var(--primary-color);
    font-weight: bold;
    margin-top: auto;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-social-link {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    opacity: 0.03;
}

.footer-social-link:hover {
    opacity: 0.08;
    transform: scale(1.1);
}

.footer-social-link.vk {
    background: rgba(255, 255, 255, 0.1);
}

.footer-social-link.facebook {
    background: rgba(255, 255, 255, 0.1);
}

.footer-social-link svg {
    width: 10px;
    height: 10px;
}

.footer-vk-text {
    font-size: 0.45rem;
    font-weight: bold;
    letter-spacing: 0.75px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: opacity, transform;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .nav {
        display: none;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

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

    .fixed-form {
        width: 90%;
        right: -100%;
    }

    .fixed-form.active {
        right: 5%;
    }

    .social-buttons {
        right: 10px;
        gap: 0.75rem;
    }

    .social-btn {
        width: 50px;
        height: 50px;
    }

    .social-btn svg {
        width: 26px;
        height: 26px;
    }

    .approved-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1.2rem;
    }

    .case-card:hover .approved-badge {
        transform: scale(1.1) rotate(3deg);
        padding: 0.6rem 1.5rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-social {
        order: 1;
    }

    .footer-bottom p {
        order: 2;
    }
}