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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    overflow-x: hidden;
    font-size: 18px;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 24px;
}

.nav-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.company-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: rgba(30, 41, 59, 0.6);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.logo {
    display: flex;
    align-items: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    gap: 12px;
    letter-spacing: -0.5px;
}

.logo i {
    font-size: 2.2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1.05rem;
    transition: color 0.3s;
    letter-spacing: -0.3px;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--dark-color);
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: 
        linear-gradient(135deg, rgba(102, 126, 234, 0.85) 0%, rgba(118, 75, 162, 0.85) 100%),
        url('hero-background.jpg') center/cover no-repeat;
    color: white;
    padding: 180px 0 120px;
    text-align: center;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    opacity: 0.95;
    letter-spacing: -0.5px;
}

/* About Section */
.about-section {
    padding: 100px 0;
    background: var(--light-color);
}

.section-title {
    text-align: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    margin-bottom: 80px;
    color: var(--dark-color);
    font-weight: 700;
    letter-spacing: -1px;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

.about-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--dark-color);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.about-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-color);
}

/* Technologies Section */
.tech-section {
    padding: 100px 0;
    background: var(--dark-color);
    color: white;
}

.tech-section .section-title {
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.tech-item {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    padding: 32px 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.tech-item i {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--accent-color);
}

.tech-item span {
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    display: block;
    letter-spacing: -0.3px;
}

/* Solutions Section */
.solutions-section {
    padding: 100px 0;
    background: #fff;
}

.solution-block {
    margin-bottom: 60px;
    padding: 48px;
    background: var(--light-color);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border-left: 5px solid var(--primary-color);
}

.solution-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    font-weight: 700;
    letter-spacing: -1px;
}

.solution-title i {
    font-size: 2.5rem;
}

.solution-list {
    list-style: none;
    padding-left: 0;
}

.solution-list li {
    padding: 16px 0 16px 40px;
    position: relative;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-color);
}

.solution-list li:before {
    content: "▸";
    position: absolute;
    left: 12px;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
}

/* CTA Block */
.cta-block {
    margin-top: 80px;
    padding: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
}

.cta-block p {
    font-size: 1.6rem;
    color: white;
    line-height: 1.8;
    margin: 0;
    letter-spacing: -0.3px;
}

.cta-block strong {
    font-weight: 800;
    letter-spacing: 0.5px;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: var(--light-color);
}

.contact-content {
    text-align: center;
    margin-top: 50px;
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 1.5rem;
}

.contact-info i {
    color: var(--primary-color);
    font-size: 2rem;
}

.contact-info a {
    font-family: 'Roboto Mono', monospace;
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    text-align: center;
    padding: 40px 0;
    font-size: 1rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 90px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 24px 0;
        gap: 1.5rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .company-label {
        font-size: 0.65rem;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

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

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

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .solution-block {
        padding: 28px;
    }

    .solution-title {
        font-size: 1.7rem;
    }

    .solution-list li {
        font-size: 1rem;
    }

    .cta-block {
        padding: 32px;
    }

    .cta-block p {
        font-size: 1.2rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 12px;
        font-size: 1.2rem;
    }
}
/* Кликабельные solution-block */
.solution-block {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.solution-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.solution-block:hover .solution-title {
    color: var(--primary-color);
}