/* CSS Variables */
:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1e40af;
    --color-primary-light: #dbeafe;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-border: #e5e7eb;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Accent Color */
.accent {
    color: var(--color-primary);
    position: relative;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 160px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

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

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

.btn-large {
    padding: 20px 40px;
    font-size: 18px;
    min-width: 200px;
}

.btn-full {
    width: 100%;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button.primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

.button-arrow {
    display: inline-block;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-image {
    flex: 0 0 auto;
    width: 350px;
    height: 350px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.2);
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: rotate(90deg);
}

.hero-text {
    flex: 1;
    text-align: left;
    max-width: 500px;
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    40% {
        transform: translateY(-10px) rotate(45deg);
    }
    60% {
        transform: translateY(-5px) rotate(45deg);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content .section-title {
    margin-bottom: 2rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.about-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* Services Section */
.services {
    background: var(--color-bg-light);
}

.services .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: var(--color-bg);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary-light);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.service-description {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    font-size: 0.9rem;
}

.service-features li {
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    padding-left: 0;
    display: flex;
    align-items: flex-start;
}

.service-features li::before {
    content: '✓ ';
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 0;
    display: inline;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--color-text);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

/* Benefits Section */
.benefits {
    background: var(--color-bg);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.benefits.visible {
    opacity: 1;
    transform: translateY(0);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.benefit-card {
    background: var(--color-bg);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.1);
    border-color: var(--color-primary-light);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.benefit-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.benefit-description {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Trust Section */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.case-card {
    background: var(--color-bg);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.1);
    border-color: var(--color-primary-light);
}

.case-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.case-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.case-description {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.case-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    background: var(--color-bg-light);
    color: var(--color-text-light);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
}


/* Projects Section */
.projects {
    background: var(--color-bg);
}

.projects .section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.projects-intro {
    font-size: 1.1rem;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.project-card {
    background: var(--color-bg-light);
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    border-color: var(--color-primary-light);
    background: var(--color-bg);
}

.project-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.project-description {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.project-link:hover {
    color: var(--color-primary-dark);
    gap: 10px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}


/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0;
}

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

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-column-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
}

.footer-link {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    line-height: 2;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-image {
        width: 280px;
        height: 280px;
    }

    .hero-text {
        text-align: center;
        max-width: 100%;
    }

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

    .benefits-grid,
    .projects-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .footer-contacts {
        grid-template-columns: 1fr;
    }

    .case-stats {
        gap: 20px;
    }

    .cta-features {
        flex-direction: column;
        gap: 15px;
    }

    .form,
    .contact-form {
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .benefit-card,
    .case-card,
    .project-card,
    .service-card {
        padding: 25px 15px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero::before {
        width: 400px;
        height: 400px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Fade-in при скролле */
.about,
.services,
.projects {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.about.visible,
.services.visible,
.projects.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}